WO2015199950A1 - Multi-layer protective case for handheld devices - Google Patents

Multi-layer protective case for handheld devices Download PDF

Info

Publication number
WO2015199950A1
WO2015199950A1 PCT/US2015/034483 US2015034483W WO2015199950A1 WO 2015199950 A1 WO2015199950 A1 WO 2015199950A1 US 2015034483 W US2015034483 W US 2015034483W WO 2015199950 A1 WO2015199950 A1 WO 2015199950A1
Authority
WO
WIPO (PCT)
Prior art keywords
case
protective case
layer
outer shell
handheld device
Prior art date
Application number
PCT/US2015/034483
Other languages
French (fr)
Inventor
Peng Lim
Xinshan LUO
Original Assignee
Peng Lim
Luo Xinshan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US14/314,744 external-priority patent/US20150382495A1/en
Application filed by Peng Lim, Luo Xinshan filed Critical Peng Lim
Publication of WO2015199950A1 publication Critical patent/WO2015199950A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1628—Carrying enclosures containing additional elements, e.g. case for a laptop and a printer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3888—Arrangements for carrying or protecting transceivers
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C2011/002—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00 for portable handheld communication devices, e.g. mobile phone, pager, beeper, PDA, smart phone
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C2011/003—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00 for portable computing devices, e.g. laptop, tablet, netbook, game boy, navigation system, calculator

Definitions

  • the present invention generally relates to a protective case for a handheld device.
  • embodiments of the present invention provide for a multi-layer protective case that is formed as a single piece apparatus.
  • Each of the multiple layers provides unique characteristics that add to the look, feel, and protection offered by the case.
  • a multilayer protective case for a handheld device comprising: a front case portion formed with one or more first connection means on one or more edges of the front case portion, and a rear case portion formed with one or more second connection means on one or more edges of the rear case portion and comprising, an outer shell formed from a substantially flat back wall and one or more outer shell sidewalls that extend vertically from the back wall and that are adapted to fit the handheld device, and an inner case layer that fits together with the outer shell, wherein the each of the first connection means correspond to one of the second connection means to facilitate the attachment of the front case portion to the rear case portion.
  • the one or more device access openings are formed in the front case portion.
  • the one or more device access openings are formed in the rear case portion.
  • the front case portion is formed as a continuous band that forms an opening for a screen of the handheld device.
  • the front case portion is formed as a solid cover adapted to protect a screen of the handheld device.
  • the inner case layer is formed with a plurality of cushioned areas adapted to protect the handheld device from shock on an impact.
  • the inner case layer is formed as a resilient cushion that is deposited over an interior surface of the outer shell.
  • a multilayer protective case for a handheld device comprising: an outer shell formed with a substantially flat back wall and one or more outer shell sidewalls that extend vertically from the back wall and that are adapted to attach onto the handheld device, and an inner case layer that fits together with the outer shell.
  • the multiplayer protective case is further comprised of a cover piece formed with one or more cover piece connection means on one or more edges of the cover piece.
  • the outer shell layer is further comprised of one or more protective case connection means formed on one or more of the outer shell sidewalls each of which correspond to one of the cover piece connection means.
  • the cover piece is formed as a continuous band that forms an opening for a screen of the handheld device.
  • the cover piece is formed as a solid cover adapted to protect a screen of the handheld device.
  • the one or more device access openings are formed in the cover piece.
  • the one or more device access openings are formed in one or more of the outer shell and the inner case layer.
  • the inner case layer is formed with a plurality of cushioned areas adapted to protect the handheld device from shock of an impact.
  • the inner case layer is formed as a resilient cushion that is deposited over an interior surface of the outer shell.
  • FIG. 1 is a front perspective view of a handheld device inside of a multilayer protective case, in accordance with an embodiment of the present invention
  • FIG. 2 is a rear perspective view of a handheld device inside of a multilayer protective case, in accordance with an embodiment of the present invention
  • FIG. 3 is an exploded view of a handheld device inside of a multilayer protective case, in accordance with an embodiment of the present invention
  • FIG. 4 is a cross-sectional view of a multilayer protective case, in accordance with an embodiment of the present invention.
  • FIG. 5 is a rear perspective view of a handheld device inside of a multilayer protective case with a solid front cover, in accordance with an embodiment of the present invention
  • FIG. 6 is an exploded view of a handheld device inside of a multilayer protective case with a solid front cover, in accordance with an embodiment of the present invention
  • FIG. 7 is a bottom edge view of a handheld device inside of a multilayer protective case with a solid front cover, in accordance with an embodiment of the present invention.
  • FIG. 8 is an exploded view a multilayer protective case comprised only of a two-layer rear case portion, in accordance with an embodiment of the present invention.
  • FIG. 9 is a cross-sectional view of a multilayer protective case comprised only of a two- layer rear case portion, in accordance with an embodiment of the present invention.
  • FIG. 10 is an exploded view a multilayer protective case comprised only of a three-layer rear case portion, in accordance with an embodiment of the present invention.
  • FIG. 11 is a cross-sectional view of a multilayer protective case comprised only of a three-layer rear case portion, in accordance with an embodiment of the present invention.
  • FIG. 12 is a cross-sectional view of a handheld device inside of a multilayer protective case with a two-layer rear case portion, in accordance with an embodiment of the present invention
  • FIG. 13 is a cross-sectional view of a multilayer protective case with a two-layer rear case portion, in accordance with an embodiment of the present invention.
  • FIG. 14 is an exploded view of a handheld device inside of a multilayer protective case with only a with a two-layer rear case portion, in accordance with an embodiment of the present invention.
  • the present invention generally relates to a protective case for a handheld device. Specifically, embodiments of the present invention provide for a multi-layer protective case that is formed as a single piece apparatus. Each of the multiple layers provides unique characteristics that add to the look, feel, and protection offered by the case.
  • a multilayer protective case is configured to hold and protect a handheld or similar mobile computing device.
  • the multilayer protective case may be configured to hold any variety of handheld devices, including, but not limited to mobile phones, tablets, portable computers, PDAs, and e- books.
  • a multilayer protective is made from a plurality of different materials to take advantage of the unique characteristics of each of those materials and thereby offer the ideal combination of protection and aesthetic appeal.
  • multilayer protective case could be configured to accept any number of handheld or other similar mobile computing devices, and embodiments of the present invention are contemplated for use with any such handheld or mobile computing device.
  • the multilayer protective case may be configured as a single piece product.
  • the multilayer protective case is configured as a single piece product with three layers of protection integrated into one continuous piece.
  • the multilayer protective case may be configured as multi-piece product.
  • each layer of the multilayer protective case is a separate piece.
  • a protective case for a handheld is comprised of multiple layers of material that form a single cohesive unit.
  • each of the layers of the protective case is made of a different material thereby allowing the case to enjoy the beneficial characteristics of each of those materials.
  • the outer layer of the case may be a hard, durable material that provides maximum protection against wear, scratches, and other similar damage, while the inner layer may be comprised of a soft, resilient material to absorb the shock from drops and other impacts.
  • the use of different materials allows for a configuration of the multilayer protective case that maximizes both the protective capabilities of the well as the aesthetic appeal of the case.
  • each layer is made from a plurality of different materials in order to further maximize the benefits of each of the materials used in a given layer.
  • One of ordinary skill in the art would appreciate there are a number of suitable design configurations for constructing a multilayer protective case, and embodiments of the present invention are contemplated for use with any such design configuration.
  • a multilayer protective case for a handheld is comprised of a plurality of different materials in order to take advantage of the unique protective and visual characteristics of each of those materials.
  • the various layers of the case may be comprised of a variety of materials, including, but not limited to, rubber, metal, rigid plastics (e.g. thermoplastic polycarbonate and acrylic glass), and pliable plastics (e.g. silicon and thermoplastic polyurethane).
  • rigid plastics e.g. thermoplastic polycarbonate and acrylic glass
  • pliable plastics e.g. silicon and thermoplastic polyurethane
  • a multilayer protective case is comprised of multiple different layers.
  • the multilayer protective case is comprised of a front case portion and a rear case portion.
  • the multilayer protective case is comprised only of the components of the rear case portion.
  • the multilayer protective case may include fewer or additional components based upon the intended application of the C iSC, ciS well as the handheld device that is designed to protect.
  • a multilayer protective case could be configured with any number of components, and embodiments of the present invention are contemplated for use with any such component.
  • a multilayer protective case is comprised of a front case portion, which also may be referred to as a cover piece or front cover.
  • the front case portion may be formed with a connection means.
  • the one or more connection means are formed at one or more of the edges of the front case portion.
  • the connection means on the front case portion may also be referred to as the cover piece connection means, front case connection means, front cover connection means, or first connection means.
  • the front cover connection means attaches to corresponding connection means on the rear case portion of the multilayer case (or a component of the rear case portion).
  • Suitable connection means include, but, are not limited to, snap-fit and friction fit.
  • the front case portion may be configured as trim piece or bezel cover for the handheld device.
  • the front case portion is formed as a continuous band that forms an opening for a screen of a handheld device.
  • the material forming the front case portion matches the shape of the front bezel of the handheld device and is open in the middle so that the front case portion is essentially a trim piece that goes around the edges of the handheld device.
  • the front case portion may be configured as a protective cover for the handheld device.
  • the front case portion is formed as a protective cover that is a solid piece of material that protects the screen of the handheld device.
  • a multilayer protective case is comprised of a rear case portion.
  • the rear case portion may be comprised of an outer shell, a middle case layer, an inner case layer, and one or more connection means.
  • the entire protective case is formed from only the components of the rear case portion (i.e. outer shell, middle case layer, inner case layer, etc.) and without a front case portion.
  • the rear case portion i.e. outer shell, middle case layer, inner case layer, etc.
  • front case portion i.e. outer shell, middle case layer, inner case layer, etc.
  • a multilayer protective case is comprised of a rear case portion.
  • the rear case portion may be comprised of an outer shell and an inner case layer.
  • the rear case portion will join together with the front case portion to form a protective case that covers both the front and rear of a handheld device.
  • the entire protective case is formed from only the components of the rear case portion (i.e. outer shell and inner case layer).
  • the rear case portion may be comprised of an outer shell.
  • the outer shell is comprised of a substantially flat back wall and one or more sidewalls that extend from the back wall.
  • the sidewalls are formed to accommodate a given handheld device, as well as the middle case layer and the inner case layer of the rear case portion.
  • the sidewalls are formed to accommodate and engage with a given handheld device and the inner case layer of the rear case portion, whereby the outer shell receives the inner case layer directly without use of the middle case layer.
  • the outer shell is comprised of a durable material to offer maximum protection to the handheld device.
  • the outer shell may be constructed from a metal material in order to provide a premium quality look and feel over more commonly used plastic materials.
  • the outer shell may be one continuously formed piece, while in other embodiments the outer shell may be comprised of multiple piece formed to connect to either the middle case layer or the inner case layer.
  • the outer shell may be configured with one or more connection means.
  • the connections means are formed in the sidewalls of the outer shell.
  • the connection means of the outer shell may be configured to connect the outer shell to the front case portion of the protective case.
  • the connection means of the outer shell may also be used to connect the outer shell to another component of the rear case portion of the protective case, for example either the middle case layer or the inner case layer.
  • the connections means of the outer shell may correspond to a connection means on the component of the proactive case that the outer shell is connecting to.
  • the connections means are formed from the sidewalls of the outer shell and the sidewalls are used to attach the outer shell directly to the handheld device.
  • the sidewalls may be further configured with additional connection means that allow the front and rear case portions to be connected together.
  • the connection means of the outer shell may be configured to connect the rear case portion directly to the handheld device that is to be retained by the protective case.
  • the rear case portion may be comprised of middle case layer.
  • the middle case layer may be formed with one or more side walls that are adapted to form fit to a handheld device.
  • the middle case layer is further adapted to receive the inner case layer, while being itself received by the outer shell.
  • the side of the middle case layer that engages with the outer shell may divided into multiple cavities or sections, each of which are configured to receive a portion of the outer shell.
  • the middle case layer may be the component of the rear case portion that is configured with the one or more connection means.
  • the middle case layer is constructed from plastic.
  • the rear case portion may be comprised of an inner case layer.
  • the inner case layer is adapted to be received by the middle case layer.
  • the inner case layer is adapted to be received directly by the outer shell and without use of the middle case layer.
  • the inner case layer is made from a resilient material that is adapted to absorb the shock of impacts.
  • the inner case layer may be configured with a plurality of cushioned areas that are further adapted absorb shocks and other impacts. In the preferred embodiment, these cushioned areas may be mounded or pillow-like pads or padding areas that are formed on the inner case layer.
  • the rear case portion of the multilayer protective case may be formed with one or more connection means.
  • the one or more connection means are formed at one or more of the edges of the rear case portion or on one of the individual components of the rear case portion (e.g. the outer shell, middle case layer, and inner case layer).
  • the connection means on the rear case portion may also be referred to as the rear case connection means or second connection means.
  • the rear case connection means attaches to corresponding connection means on the front cover portion of the multilayer case. Suitable connection means include, but, are not limited to, snap-fit and friction fit.
  • connection means on the rear case portion may be configured to connect the rear case portion directly to the handheld device that is to be retained by the protective case. Connecting the rear case portion directly to the handheld device will typically be accomplished by configuring the inner case layer with the rear case connection means.
  • connection means One of ordinary skill in the art would appreciate there are many suitable connection means that might be used on the rear case portion, and embodiments of the present invention are contemplated for use with any such connection means.
  • the multilayer protective case may be configured with one or more device access openings.
  • the device access openings may be formed in the front case portion, rear case portion, individual component of the rear case portion (i.e. the outer shell, middle case layer, and inner case layer), or any combination thereof.
  • the device access openings allow a user to access certain inputs and outputs that are on the handheld device, including, but not limited to buttons, speakers, microphones, headphone jacks, displays, power/charging connections, touchscreens, and sensors.
  • buttons, speakers, microphones, headphone jacks displays, power/charging connections, touchscreens, and sensors.
  • the multilayer protective case may be configured with one or more input button guards.
  • the input button guards may be formed on the front case portion, rear case portion, individual component of the rear case portion (i.e. the outer shell, middle case layer, and inner case layer), or any combination thereof.
  • the input button guards cover input buttons on the handheld device to protect those input buttons from dirt, dust, grime, and other damage.
  • the input button guards could be configured to cover any variety of input buttons including, but not limited to, power switches, volume buttons, keyboards, and navigation keys.
  • the multilayer protective case may be produced through a molding process.
  • the multilayer protective case is formed by a double-shot molding process whereby the middle case layer is formed first, with the inner case layer being formed immediately thereafter by injecting material into the middle case layer that was previously formed to provide a single, combined unit. The outer shell is then pressed together with the combined middle case layer and inner case unit and an adhesive is used to bind those two components together to form a single, cohesive multilayer case.
  • the multilayer protective case is formed by a triple-shot molding process whereby the outer shell is formed first, with the middle case layer then being molded onto the outer shell, and finally the inner case layer being molded onto the middle case layer.
  • each of the layers i.e. the outer shell, middle case layer, and inner case layer
  • adhesives One of ordinary skill in the art would appreciate that there are many methods for producing a multilayer protective case, and embodiments of the present invention may assembled through any such production method. Additionally, one of ordinary skill in the art would appreciate that any of the above mentioned processes could be easily modified to produce a case with fewer or additional layers.
  • the multilayer protective case could be formed by directly molding the inner case layer together with the outer shell without the middle layer.
  • the multilayer case 100 includes a front case portion 101 that is configured as a trim piece or bezel guard that attaches around the front edges of the handheld device.
  • the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, a connection means 105 (on both the front case portion and rear case portion), and a plurality of device access openings 113.
  • the rear case portion 103 is comprised of an outer shell 111, a middle case layer 109, and an inner case layer 107.
  • the multilayer case 100 includes a front case portion 101 that is configured as a trim piece or bezel guard that attaches around the front edges of the handheld device.
  • the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, and a connection means 105 (on both the front case portion 101 and rear case portion 103).
  • the rear case portion is comprised of an outer shell 111, a middle case layer 109, and an inner case layer 107.
  • this view shows the alignment of the front case portion 101, as well as the outer shell 111, middle case layer 109, and inner case layer 107 of the rear case portion 103.
  • this view shows the connection between the connection means 105 of the front case portion 101 and the connection means 105 of the rear case portion 103 (which is located on the sidewall of the middle case layer 109).
  • the multilayer case 100 includes a front case portion 101 that is configured as solid cover that attaches to the rear case portion 103 to provide a protective cover for the screen of the handheld device.
  • the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, a connection means 105 (on both the front case portion 101 and rear case portion 103), and a plurality of device access openings 113.
  • the rear case portion is comprised of an outer shell 111, a middle case layer 109, and an inner case layer 107.
  • the multilayer protective case 100 is comprised entirely of a two-piece rear case portion 103.
  • the two-piece rear case portion 103 is comprised of an outer shell 111 and an inner case layer 107.
  • the outer shell 111 is a single continuously formed component that engages with the inner case layer 107.
  • FIGs. 10 and 11 an exemplary embodiment of a multilayer protective case in accordance with an embodiment of the present invention.
  • the multilayer protective case 100 is comprised entirely of a three-piece rear case portion 103.
  • the three-piece rear case portion 103 is comprised of an outer shell 11 1, a middle case layer 109, and an inner case layer 107.
  • the outer shell 111 is comprised of three pieces that engage with cavity sections on the middle case layer 109.
  • the multilayer case 100 includes a front case portion 101 that is configured as a trim piece or bezel guard that attaches around the front edges of the handheld device.
  • the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, a connection means 105 (on both the front case portion and rear case portion), and a plurality of device access openings 113.
  • the rear case portion 103 is comprised of an outer shell 111 and an inner case layer 107.
  • the multilayer case 100 includes a front case portion 101 that is configured as a trim piece or bezel guard that attaches around the front edges of the handheld device.
  • the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, and a connection means 105 (on both the front case portion 101 and rear case portion 103).
  • the rear case portion is comprised of an outer shell 111 and an inner case layer 107.
  • the alignment of the front case portion 101, as well as the outer shell 1 11 and inner case layer 107 of the rear case portion 103 can be plainly seen.
  • this view shows the connection between the connection means 105 of the front case portion 101 and the connection means 105 of the rear case portion 103 (which is located on the sidewall of the outer shell 111).
  • the multilayer case 100 is comprised only of a rear case portion 103 that covers the back and sides of the handheld device.
  • the rear case portion 103 is comprised of an outer shell 111, an inner case layer 107, and at least one device access opening 113.

Abstract

The present invention generally relates to a protective case for a handheld device. Specifically, embodiments of the present invention provide for a multi-layer protective case that is formed as a single piece apparatus. Each of the multiple layers provides unique characteristics that add to the look, feel, and protection offered by the case.

Description

MULTI-LAYER PROTECTIVE CASE FOR HANDHELD DEVICES
FIELD OF THE INVENTION
[0001] The present invention generally relates to a protective case for a handheld device. Specifically, embodiments of the present invention provide for a multi-layer protective case that is formed as a single piece apparatus. Each of the multiple layers provides unique characteristics that add to the look, feel, and protection offered by the case.
BACKGROUND OF THE INVENTION
[0002] The owner of a handheld device, such as a mobile phone, tablet computer, PDA, e-book, or similar mobile computing, healthcare or instrumentation device, often times may wish to protect that device with a protective case. Currently available protective cases, however, frequently require a person to choose between form and function. For example, a person may be required to choose between a case that offers great aesthetic appeal with insufficient protective qualities and a case that offers excellent protective features with poor aesthetic appeal. Additionally, many of the currently available protective cases are made from a single type of material that limits the protective benefits the case that can provide. Furthermore, cases that do incorporate multiple types of materials are often a multi-piece design that is bulky and not user friendly.
[0003] Therefore, there is a new in the art for a protective case that is multilayered to take advantage of the qualities of multiple different materials, while at the same time being a single piece apparatus to decrease bulk and increase ease of use. These and other features and advantages of the present invention will be explained and will become obvious to one skilled in the art through the summary of the invention that follows. SUMMARY OF THE INVENTION
[0004] Accordingly, it is an object of the present invention to provide a protective case for a portable or handheld device that incorporates the benefits of a multi-material, multi-layer construction in a protective case that is a single piece.
[0005] According to an embodiment of the present invention, a multilayer protective case for a handheld device, the protective case comprising: a front case portion formed with one or more first connection means on one or more edges of the front case portion, and a rear case portion formed with one or more second connection means on one or more edges of the rear case portion and comprising, an outer shell formed from a substantially flat back wall and one or more outer shell sidewalls that extend vertically from the back wall and that are adapted to fit the handheld device, and an inner case layer that fits together with the outer shell, wherein the each of the first connection means correspond to one of the second connection means to facilitate the attachment of the front case portion to the rear case portion.
[0006] According to an embodiment of the present invention, the one or more device access openings are formed in the front case portion.
[0007] According to an embodiment of the present invention, the one or more device access openings are formed in the rear case portion.
[0008] According to an embodiment of the present invention, the front case portion is formed as a continuous band that forms an opening for a screen of the handheld device.
[0009] According to an embodiment of the present invention, the front case portion is formed as a solid cover adapted to protect a screen of the handheld device. [0010] According to an embodiment of the present invention, the inner case layer is formed with a plurality of cushioned areas adapted to protect the handheld device from shock on an impact.
[0011] According to an embodiment of the present invention, the inner case layer is formed as a resilient cushion that is deposited over an interior surface of the outer shell.
[0012] According to an embodiment of the present invention, a multilayer protective case for a handheld device, the protective case comprising: an outer shell formed with a substantially flat back wall and one or more outer shell sidewalls that extend vertically from the back wall and that are adapted to attach onto the handheld device, and an inner case layer that fits together with the outer shell.
[0013] According to an embodiment of the present invention, the multiplayer protective case is further comprised of a cover piece formed with one or more cover piece connection means on one or more edges of the cover piece.
[0014] According to an embodiment of the present invention, the outer shell layer is further comprised of one or more protective case connection means formed on one or more of the outer shell sidewalls each of which correspond to one of the cover piece connection means.
[0015] According to an embodiment of the present invention, the cover piece is formed as a continuous band that forms an opening for a screen of the handheld device.
[0016] According to an embodiment of the present invention, the cover piece is formed as a solid cover adapted to protect a screen of the handheld device.
[0017] According to an embodiment of the present invention, the one or more device access openings are formed in the cover piece.
[0018] According to an embodiment of the present invention, the one or more device access openings are formed in one or more of the outer shell and the inner case layer. [0019] According to an embodiment of the present invention, the inner case layer is formed with a plurality of cushioned areas adapted to protect the handheld device from shock of an impact.
[0020] According to an embodiment of the present invention, the inner case layer is formed as a resilient cushion that is deposited over an interior surface of the outer shell.
[0021] The foregoing summary of the present invention with the preferred embodiments should not be construed to limit the scope of the invention. It should be understood and obvious to one skilled in the art that the embodiments of the invention thus described may be further modified without departing from the spirit and scope of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS
[0022] FIG. 1 is a front perspective view of a handheld device inside of a multilayer protective case, in accordance with an embodiment of the present invention;
[0023] FIG. 2 is a rear perspective view of a handheld device inside of a multilayer protective case, in accordance with an embodiment of the present invention;
[0024] FIG. 3 is an exploded view of a handheld device inside of a multilayer protective case, in accordance with an embodiment of the present invention;
[0025] FIG. 4 is a cross-sectional view of a multilayer protective case, in accordance with an embodiment of the present invention;
[0026] FIG. 5 is a rear perspective view of a handheld device inside of a multilayer protective case with a solid front cover, in accordance with an embodiment of the present invention
[0027] FIG. 6 is an exploded view of a handheld device inside of a multilayer protective case with a solid front cover, in accordance with an embodiment of the present invention; [0028] FIG. 7 is a bottom edge view of a handheld device inside of a multilayer protective case with a solid front cover, in accordance with an embodiment of the present invention.;
[0029] FIG. 8 is an exploded view a multilayer protective case comprised only of a two-layer rear case portion, in accordance with an embodiment of the present invention;
[0030] FIG. 9 is a cross-sectional view of a multilayer protective case comprised only of a two- layer rear case portion, in accordance with an embodiment of the present invention;
[0031] FIG. 10 is an exploded view a multilayer protective case comprised only of a three-layer rear case portion, in accordance with an embodiment of the present invention;
[0032] FIG. 11 is a cross-sectional view of a multilayer protective case comprised only of a three-layer rear case portion, in accordance with an embodiment of the present invention;
[0033] FIG. 12 is a cross-sectional view of a handheld device inside of a multilayer protective case with a two-layer rear case portion, in accordance with an embodiment of the present invention;
[0034] FIG. 13 is a cross-sectional view of a multilayer protective case with a two-layer rear case portion, in accordance with an embodiment of the present invention; and
[0035] FIG. 14 is an exploded view of a handheld device inside of a multilayer protective case with only a with a two-layer rear case portion, in accordance with an embodiment of the present invention.
DETAILED SPECIFICATION
[0036] The present invention generally relates to a protective case for a handheld device. Specifically, embodiments of the present invention provide for a multi-layer protective case that is formed as a single piece apparatus. Each of the multiple layers provides unique characteristics that add to the look, feel, and protection offered by the case.
[0037] According to an embodiment of the present invention, a multilayer protective case is configured to hold and protect a handheld or similar mobile computing device. In a preferred embodiment, the multilayer protective case may be configured to hold any variety of handheld devices, including, but not limited to mobile phones, tablets, portable computers, PDAs, and e- books. In the preferred embodiment, a multilayer protective is made from a plurality of different materials to take advantage of the unique characteristics of each of those materials and thereby offer the ideal combination of protection and aesthetic appeal. One of ordinary skill in the art would appreciate that multilayer protective case could be configured to accept any number of handheld or other similar mobile computing devices, and embodiments of the present invention are contemplated for use with any such handheld or mobile computing device.
[0038] According to a preferred embodiment of the present invention, the multilayer protective case may be configured as a single piece product. In the preferred embodiment, the multilayer protective case is configured as a single piece product with three layers of protection integrated into one continuous piece. In alternate embodiments, there may be additional or fewer layers of production depending upon the application the protective case is being used for. In an alternate preferred embodiment of the present invention, the multilayer protective case may be configured as multi-piece product. In the alternate preferred embodiment, each layer of the multilayer protective case is a separate piece. One of ordinary skill in the art would appreciate there are many suitable configurations and combinations for the layers of the multilayer protective case, and embodiments of the present invention are contemplated for use with any such configuration or combination.
[0039] According to an embodiment of the present invention, a protective case for a handheld is comprised of multiple layers of material that form a single cohesive unit. In a preferred embodiment, each of the layers of the protective case is made of a different material thereby allowing the case to enjoy the beneficial characteristics of each of those materials. As an illustrative example, the outer layer of the case may be a hard, durable material that provides maximum protection against wear, scratches, and other similar damage, while the inner layer may be comprised of a soft, resilient material to absorb the shock from drops and other impacts. Additionally, the use of different materials allows for a configuration of the multilayer protective case that maximizes both the protective capabilities of the well as the aesthetic appeal of the case. In an alternate embodiment, each layer is made from a plurality of different materials in order to further maximize the benefits of each of the materials used in a given layer. One of ordinary skill in the art would appreciate there are a number of suitable design configurations for constructing a multilayer protective case, and embodiments of the present invention are contemplated for use with any such design configuration.
[0040] According to an embodiment of the present invention, a multilayer protective case for a handheld is comprised of a plurality of different materials in order to take advantage of the unique protective and visual characteristics of each of those materials. In a preferred embodiment, the various layers of the case may be comprised of a variety of materials, including, but not limited to, rubber, metal, rigid plastics (e.g. thermoplastic polycarbonate and acrylic glass), and pliable plastics (e.g. silicon and thermoplastic polyurethane). One of ordinary skill in the art would appreciate that there are numerous materials that are suitable for use in a multilayer protective case, and embodiments of the present invention are contemplated for use with any such material.
[0041] According to an embodiment of the present invention, a multilayer protective case is comprised of multiple different layers. In a preferred embodiment, the multilayer protective case is comprised of a front case portion and a rear case portion. In an alternate preferred embodiment, the multilayer protective case is comprised only of the components of the rear case portion. In further alternate embodiments, the multilayer protective case may include fewer or additional components based upon the intended application of the C iSC, ciS well as the handheld device that is designed to protect. One of ordinary skill in the art would appreciate that a multilayer protective case could be configured with any number of components, and embodiments of the present invention are contemplated for use with any such component. [0042] According to an embodiment of the present invention, a multilayer protective case is comprised of a front case portion, which also may be referred to as a cover piece or front cover. In a preferred embodiment, the front case portion may be formed with a connection means. In the preferred embodiment, the one or more connection means are formed at one or more of the edges of the front case portion. The connection means on the front case portion may also be referred to as the cover piece connection means, front case connection means, front cover connection means, or first connection means. In the preferred embodiment, the front cover connection means attaches to corresponding connection means on the rear case portion of the multilayer case (or a component of the rear case portion). Suitable connection means include, but, are not limited to, snap-fit and friction fit. One of ordinary skill in the art would appreciate that there are many suitable designs for a front case portion, and embodiments of the present invention are contemplated for use with any such design.
[0043] According to an embodiment of the present invention, the front case portion may be configured as trim piece or bezel cover for the handheld device. In a preferred embodiment, the front case portion is formed as a continuous band that forms an opening for a screen of a handheld device. In that embodiment, the material forming the front case portion matches the shape of the front bezel of the handheld device and is open in the middle so that the front case portion is essentially a trim piece that goes around the edges of the handheld device. One of ordinary skill in the art would appreciate there are many suitable designs for a front case portion, and embodiments of the present invention are contemplated for use with any such design.
[0044] According to an embodiment of the present invention, the front case portion may be configured as a protective cover for the handheld device. In a preferred embodiment, the front case portion is formed as a protective cover that is a solid piece of material that protects the screen of the handheld device. One of ordinary skill in the art would appreciate there are many suitable designs for a front case portion, and embodiments of the present invention are contemplated for use with any such design. [0045] According to an embodiment of the present invention, a multilayer protective case is comprised of a rear case portion. In a preferred embodiment, the rear case portion may be comprised of an outer shell, a middle case layer, an inner case layer, and one or more connection means. In an alternate preferred embodiment, the entire protective case is formed from only the components of the rear case portion (i.e. outer shell, middle case layer, inner case layer, etc.) and without a front case portion. One of ordinary skill in the art would appreciate that there are many suitable designs for a rear case portion, and embodiments of the present invention are contemplated for use with any such design.
[0046] According to an embodiment of the present invention, a multilayer protective case is comprised of a rear case portion. In a preferred embodiment, the rear case portion may be comprised of an outer shell and an inner case layer. In some embodiments, the rear case portion will join together with the front case portion to form a protective case that covers both the front and rear of a handheld device. In some embodiments, the entire protective case is formed from only the components of the rear case portion (i.e. outer shell and inner case layer). One of ordinary skill in the art would appreciate that there are many suitable designs for a rear case portion, and embodiments of the present invention are contemplated for use with any such design.
[0047] According to an embodiment of the present invention, the rear case portion may be comprised of an outer shell. In a preferred embodiment, the outer shell is comprised of a substantially flat back wall and one or more sidewalls that extend from the back wall. In the preferred embodiment, the sidewalls are formed to accommodate a given handheld device, as well as the middle case layer and the inner case layer of the rear case portion. In an alternate preferred embodiment, the sidewalls are formed to accommodate and engage with a given handheld device and the inner case layer of the rear case portion, whereby the outer shell receives the inner case layer directly without use of the middle case layer. In the preferred embodiment, the outer shell is comprised of a durable material to offer maximum protection to the handheld device. In some embodiments, the outer shell may be constructed from a metal material in order to provide a premium quality look and feel over more commonly used plastic materials. In some embodiments, the outer shell may be one continuously formed piece, while in other embodiments the outer shell may be comprised of multiple piece formed to connect to either the middle case layer or the inner case layer. One of ordinary skill in the art would appreciate there are many suitable designs for an outer shell, an embodiments of the present invention are contemplated for use with any such designs.
[0048] According to an embodiment of the present invention, the outer shell may be configured with one or more connection means. In a first preferred embodiment, the connections means are formed in the sidewalls of the outer shell. The connection means of the outer shell may be configured to connect the outer shell to the front case portion of the protective case. The connection means of the outer shell may also be used to connect the outer shell to another component of the rear case portion of the protective case, for example either the middle case layer or the inner case layer. In the first preferred embodiment, the connections means of the outer shell may correspond to a connection means on the component of the proactive case that the outer shell is connecting to. In second preferred embodiment, the connections means are formed from the sidewalls of the outer shell and the sidewalls are used to attach the outer shell directly to the handheld device. In such an embodiment, the sidewalls may be further configured with additional connection means that allow the front and rear case portions to be connected together. In embodiments of the protective case where the rear case portion is configured without a middle layer and where there is no front case portion, the connection means of the outer shell may be configured to connect the rear case portion directly to the handheld device that is to be retained by the protective case. One of ordinary skill in the art would appreciate there are many suitable configurations and locations for the connection means on the outer shell, an embodiments of the present invention are contemplated for use with any such configuration or locations.
[0049] According to an embodiment of the present invention, the rear case portion may be comprised of middle case layer. In a preferred embodiment, the middle case layer may be formed with one or more side walls that are adapted to form fit to a handheld device. In the preferred embodiment, the middle case layer is further adapted to receive the inner case layer, while being itself received by the outer shell. In some embodiments, the side of the middle case layer that engages with the outer shell may divided into multiple cavities or sections, each of which are configured to receive a portion of the outer shell. In the preferred embodiment, the middle case layer may be the component of the rear case portion that is configured with the one or more connection means. In some embodiments, the middle case layer is constructed from plastic. One of ordinary skill in the art would appreciate there are many suitable designs for a middle case layer, an embodiments of the present invention are contemplated for use with any such designs.
[0050] According to an embodiment of the present invention, the rear case portion may be comprised of an inner case layer. In a preferred embodiment, the inner case layer is adapted to be received by the middle case layer. In an alternate preferred embodiment, the inner case layer is adapted to be received directly by the outer shell and without use of the middle case layer. In the preferred embodiment, the inner case layer is made from a resilient material that is adapted to absorb the shock of impacts. The inner case layer may be configured with a plurality of cushioned areas that are further adapted absorb shocks and other impacts. In the preferred embodiment, these cushioned areas may be mounded or pillow-like pads or padding areas that are formed on the inner case layer. One of ordinary skill in the art would appreciate there are many suitable designs for an inner case layer, an embodiments of the present invention are contemplated for use with any such designs.
[0051] According to an embodiment of the present invention, the rear case portion of the multilayer protective case may be formed with one or more connection means. In a preferred embodiment, the one or more connection means are formed at one or more of the edges of the rear case portion or on one of the individual components of the rear case portion (e.g. the outer shell, middle case layer, and inner case layer). The connection means on the rear case portion may also be referred to as the rear case connection means or second connection means. In the preferred embodiment, the rear case connection means attaches to corresponding connection means on the front cover portion of the multilayer case. Suitable connection means include, but, are not limited to, snap-fit and friction fit. In an alternate preferred embodiment, the connection means on the rear case portion may be configured to connect the rear case portion directly to the handheld device that is to be retained by the protective case. Connecting the rear case portion directly to the handheld device will typically be accomplished by configuring the inner case layer with the rear case connection means. One of ordinary skill in the art would appreciate there are many suitable connection means that might be used on the rear case portion, and embodiments of the present invention are contemplated for use with any such connection means.
[0052] According to an embodiment of the present invention, the multilayer protective case may be configured with one or more device access openings. In a preferred embodiment, the device access openings may be formed in the front case portion, rear case portion, individual component of the rear case portion (i.e. the outer shell, middle case layer, and inner case layer), or any combination thereof. In the preferred embodiment, the device access openings allow a user to access certain inputs and outputs that are on the handheld device, including, but not limited to buttons, speakers, microphones, headphone jacks, displays, power/charging connections, touchscreens, and sensors. One of ordinary skill in the art would appreciate that there are a variety of suitable arrangements for the device access openings, and embodiments of the present invention are contemplated for use with any such arrangement.
[0053] According to an embodiment of the present invention, the multilayer protective case may be configured with one or more input button guards. In a preferred embodiment, the input button guards may be formed on the front case portion, rear case portion, individual component of the rear case portion (i.e. the outer shell, middle case layer, and inner case layer), or any combination thereof. In the preferred embodiment, the input button guards cover input buttons on the handheld device to protect those input buttons from dirt, dust, grime, and other damage. The input button guards could be configured to cover any variety of input buttons including, but not limited to, power switches, volume buttons, keyboards, and navigation keys. One of ordinary skill in the art would appreciate that there are a variety of suitable arrangements for the input button guards, and embodiments of the present invention are contemplated for use with any such arrangement. [0054] According to a preferred embodiment of the present invention, the multilayer protective case may be produced through a molding process. In a first preferred embodiment, the multilayer protective case is formed by a double-shot molding process whereby the middle case layer is formed first, with the inner case layer being formed immediately thereafter by injecting material into the middle case layer that was previously formed to provide a single, combined unit. The outer shell is then pressed together with the combined middle case layer and inner case unit and an adhesive is used to bind those two components together to form a single, cohesive multilayer case. In a second preferred embodiment, the multilayer protective case is formed by a triple-shot molding process whereby the outer shell is formed first, with the middle case layer then being molded onto the outer shell, and finally the inner case layer being molded onto the middle case layer. In an alternate embodiment, each of the layers (i.e. the outer shell, middle case layer, and inner case layer) may be joined together through the use of adhesives. One of ordinary skill in the art would appreciate that there are many methods for producing a multilayer protective case, and embodiments of the present invention may assembled through any such production method. Additionally, one of ordinary skill in the art would appreciate that any of the above mentioned processes could be easily modified to produce a case with fewer or additional layers. As an illustrative example, the multilayer protective case could be formed by directly molding the inner case layer together with the outer shell without the middle layer.
[0055] Exemplary Embodiments
[0056] Turning now to FIGs. 1-3, an exemplary embodiment of a multilayer protective case in accordance with an embodiment of the present invention. In this exemplary embodiment, the multilayer case 100 includes a front case portion 101 that is configured as a trim piece or bezel guard that attaches around the front edges of the handheld device. In a preferred embodiment, the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, a connection means 105 (on both the front case portion and rear case portion), and a plurality of device access openings 113. In the preferred embodiment, the rear case portion 103 is comprised of an outer shell 111, a middle case layer 109, and an inner case layer 107. [0057] Turning now FIG. 4, a cross-sectional view of an exemplary embodiment of a multilayer protective case in accordance with an embodiment of the present invention. In this exemplary embodiment, the multilayer case 100 includes a front case portion 101 that is configured as a trim piece or bezel guard that attaches around the front edges of the handheld device. In a preferred embodiment, the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, and a connection means 105 (on both the front case portion 101 and rear case portion 103). In the preferred embodiment, the rear case portion is comprised of an outer shell 111, a middle case layer 109, and an inner case layer 107. In this view, the alignment of the front case portion 101, as well as the outer shell 111, middle case layer 109, and inner case layer 107 of the rear case portion 103 can be plainly seen. In particular, this view shows the connection between the connection means 105 of the front case portion 101 and the connection means 105 of the rear case portion 103 (which is located on the sidewall of the middle case layer 109).
[0058] Turning now to FIGs. 5-7, an exemplary embodiment of a multilayer protective case in accordance with an embodiment of the present invention. In this exemplary embodiment, the multilayer case 100 includes a front case portion 101 that is configured as solid cover that attaches to the rear case portion 103 to provide a protective cover for the screen of the handheld device. In a preferred embodiment, the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, a connection means 105 (on both the front case portion 101 and rear case portion 103), and a plurality of device access openings 113. In the preferred embodiment, the rear case portion is comprised of an outer shell 111, a middle case layer 109, and an inner case layer 107.
[0059] Turning now to FIGs. 8 and 9, an exemplary embodiment of a multilayer protective case in accordance with an embodiment of the present invention. In this exemplary embodiment, the multilayer protective case 100 is comprised entirely of a two-piece rear case portion 103. In a preferred the two-piece rear case portion 103 is comprised of an outer shell 111 and an inner case layer 107. In the preferred embodiment, the outer shell 111 is a single continuously formed component that engages with the inner case layer 107. [0060] Turning now to FIGs. 10 and 11, an exemplary embodiment of a multilayer protective case in accordance with an embodiment of the present invention. In this exemplary embodiment, the multilayer protective case 100 is comprised entirely of a three-piece rear case portion 103. In a preferred the three-piece rear case portion 103 is comprised of an outer shell 11 1, a middle case layer 109, and an inner case layer 107. In the preferred embodiment, the outer shell 111 is comprised of three pieces that engage with cavity sections on the middle case layer 109.
[0061] Turning now to FIG. 12, an exemplary embodiment of a multilayer protective with a two piece rear case portion in accordance with an embodiment of the present invention. In this exemplary embodiment, the multilayer case 100 includes a front case portion 101 that is configured as a trim piece or bezel guard that attaches around the front edges of the handheld device. In a preferred embodiment, the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, a connection means 105 (on both the front case portion and rear case portion), and a plurality of device access openings 113. In the preferred embodiment, the rear case portion 103 is comprised of an outer shell 111 and an inner case layer 107.
[0062] Turning now FIG. 13, a cross-sectional view of an exemplary embodiment of a multilayer protective case with a two piece rear case portion in accordance with an embodiment of the present invention. In this exemplary embodiment, the multilayer case 100 includes a front case portion 101 that is configured as a trim piece or bezel guard that attaches around the front edges of the handheld device. In a preferred embodiment, the multilayer protective case 100 includes a front case portion 101, a rear case portion 103, and a connection means 105 (on both the front case portion 101 and rear case portion 103). In the preferred embodiment, the rear case portion is comprised of an outer shell 111 and an inner case layer 107. In this view, the alignment of the front case portion 101, as well as the outer shell 1 11 and inner case layer 107 of the rear case portion 103 can be plainly seen. In particular, this view shows the connection between the connection means 105 of the front case portion 101 and the connection means 105 of the rear case portion 103 (which is located on the sidewall of the outer shell 111). [0063] Turning now to FIG. 14, an exemplary embodiment of a multilayer protective case in accordance with an embodiment of the present invention. In this exemplary embodiment, the multilayer case 100 is comprised only of a rear case portion 103 that covers the back and sides of the handheld device. In a preferred embodiment, the rear case portion 103 is comprised of an outer shell 111, an inner case layer 107, and at least one device access opening 113.
[0064] While multiple embodiments are disclosed, still other embodiments of the present invention will become apparent to those skilled in the art from this detailed description. The invention is capable of myriad modifications in various obvious aspects, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature and not restrictive.

Claims

1. A multilayer protective case for a handheld device, the protective case comprising: a front case portion formed with one or more first connection means on one or more edges of said front case portion; and a rear case portion formed with one or more second connection means on one or more edges of said rear case portion and comprising, an outer shell formed from a substantially flat back wall and one or more outer shell sidewalls that extend vertically from said back wall and that are adapted to fit said handheld device, and an inner case layer that fits together with said outer shell, wherein said each of said first connection means correspond to one of said second connection means to facilitate the attachment of said front case portion to said rear case portion.
2. The protective case of claim 1, wherein one or more device access openings are formed in said front case portion.
3. The protective case of claim 1, wherein one or more device access openings are formed in said rear case portion.
4. The protective case of claim 1, wherein said front case portion is formed as a continuous band that forms an opening for a screen of said handheld device.
5. The protective case of claim 1, wherein said front case portion is formed as a solid cover adapted to protect a screen of said handheld device.
6. The protective case of claim 1, wherein said inner case layer is formed with a plurality of cushioned areas adapted to protect said handheld device from shock on an impact.
7. The protective case of claim 1, wherein said inner case layer is formed as a resilient cushion that is deposited over an interior surface of said outer shell.
8. A multilayer protective case for a handheld device, the protective case comprising: an outer shell formed with a substantially flat back wall and one or more outer shell sidewalls that extend vertically from said back wall and that are adapted to attach onto said handheld device; and and an inner case layer that fits together with said outer shell.
9. The protective case of claim 8, further comprising a cover piece formed with one or more cover piece connection means on one or more edges of said cover piece.
10. The protective case of claim 9, wherein said outer shell layer is further comprised of one or more protective case connection means formed on one or more of said outer shell sidewalls each of which correspond to one of said cover piece connection means.
11. The protective case of claim 9, wherein said cover piece is formed as a continuous band that forms an opening for a screen of said handheld device.
12. The protective case of claim 9, wherein said cover piece is formed as a solid cover adapted to protect a screen of said handheld device.
13. The protective case of claim 9, one or more device access openings are formed in said cover piece.
14. The protective case of claim 8, wherein one or more device access openings are formed in one or more of said outer shell and said inner case layer.
15. The protective case of claim 8, wherein said inner case layer is formed with a plurality of cushioned areas adapted to protect said handheld device from shock of an impact.
16. The protective case of claim 8, wherein said inner case layer is formed as a resilient cushion that is deposited over an interior surface of said outer shell.
17. A multilayer protective case for a handheld device, the protective case comprising: a front case portion formed with one or more first connection means on one or more edges of said front case portion; and a rear case portion formed with one or more second connection means on one or more edges of said rear case portion and comprising an outer shell formed from a substantially flat back wall and one or more outer shell sidewalls that extend from said back wall, a middle case layer formed with one or more middle case sidewalls that are adapted to fit said handheld device and adapted to be received said outer shell, and an inner case layer adapted to be received by said middle case layer, wherein said each of said first connection means correspond to one of said second connection means to facilitate the attachment of said front case portion to said rear case portion.
18. The protective case of claim 17, wherein one or more device access openings are formed in said front case portion.
19. The protective case of claim 17, wherein one or more device access openings are formed in said rear case portion.
20. The protective case of claim 17, wherein said front case portion is formed as a continuous band that forms an opening for a screen of said handheld device.
21. The protective case of claim 17, wherein said front case portion is formed as a solid cover adapted to protect a screen of said handheld device.
22. The protective case of claim 17, wherein said inner case layer is formed with a plurality of cushioned areas adapted to protect said handheld device from shock on an impact.
23. The protective case of claim 17, wherein said inner case layer is formed as a resilient cushion that is deposited over an interior surface of said middle case layer.
24. A multilayer protective case for a handheld device, the protective case comprising: an outer shell formed from a substantially flat back wall and one or more outer shell sidewalls that extend from said back wall; a middle case layer formed with one or more middle case sidewalls that are adapted to fit said handheld device and adapted to be received said outer shell; and an inner case layer adapted to be received by said middle case layer.
25. The protective case of claim 24, further comprising a cover piece formed with one or more cover piece connection means on one or more edges of said cover piece.
26. The protective case of claim 25, wherein said middle case layer is further comprised of one or more protective case connection means formed on one or more of said middle case sidewalls each of which correspond to one of said cover piece connection means.
27. The protective case of claim 25, wherein said cover piece is formed as a continuous band that forms an opening for a screen of said handheld device.
28. The protective case of claim 25, wherein said cover piece is formed as a solid cover adapted to protect a screen of said handheld device.
29. The protective case of claim 25, one or more device access openings are formed in said cover piece.
30. The protective case of claim 24, wherein one or more device access openings are formed in one or more of said outer shell, said middle case layer, and said inner case layer.
31. The protective case of claim 24, wherein said inner case layer is formed with a plurality of cushioned areas adapted to protect said handheld device from shock of an impact.
32. The protective case of claim 24, wherein said inner case layer is formed as a resilient cushion that is deposited over an interior surface of said middle case layer.
PCT/US2015/034483 2014-06-25 2015-06-05 Multi-layer protective case for handheld devices WO2015199950A1 (en)

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