US20050251950A1 - Hand vacuum cleaner with dry & wet switcher - Google Patents
Hand vacuum cleaner with dry & wet switcher Download PDFInfo
- Publication number
- US20050251950A1 US20050251950A1 US10/842,459 US84245904A US2005251950A1 US 20050251950 A1 US20050251950 A1 US 20050251950A1 US 84245904 A US84245904 A US 84245904A US 2005251950 A1 US2005251950 A1 US 2005251950A1
- Authority
- US
- United States
- Prior art keywords
- nozzle
- wet
- dry
- vacuum cleaner
- hand vacuum
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 17
- 230000001174 ascending effect Effects 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 3
- 240000008100 Brassica rapa Species 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 241000793056 Drymodes Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0009—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners with means mounted on the nozzle; nozzles specially adapted for the recovery of liquid
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/24—Hand-supported suction cleaners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0042—Gaskets; Sealing means
Definitions
- the present invention is related to a hand vacuum cleaner with a dry/wet switcher, and more particularly, to one that has its elevation deck provided with a water curette that can be adjusted to change the openness of the nozzle for switching between the dry and wet operation modes.
- a wet/dry dual-purpose hand vacuum cleaner of the prior art has to be adapted with an external rubber hose or any other attachment exclusively for wet operation mode to clean water, milk, other types of liquid or mixture of liquid and solid.
- Those extra external attachments require additional storage space, make the handling for storage of the vacuum cleaner more troublesome, and are vulnerable to get lost to fail the wet operation mode.
- it's not handy and much time may be wasted in replacing the external attachments in switching for another operation mode.
- the primary purpose of the present invention is to provide a dry and wet dual-purpose hand vacuum cleaner adapted with a switcher that does not require any external attachments to change the operation between wet and dry modes, thus to eliminate the problems of storage or making shift as found with the prior art, promote the operation efficacy of the cleaner as a whole, and simplify the switching process between two operation modes.
- an elevation deck adapted with a water curette is provided at the nozzle of the dust receiver with the openness of the nozzle adjustable by ascending or descending the elevation deck from turning a knob to fast switch between both operation modes.
- Another purpose of the present invention is to provide a dry and wet dual-purpose hand vacuum cleaner adapted with a switcher.
- a guidepost is erected on the nozzle of the dust receiver, and a corresponding guidepost is disposed at the elevation deck to help facilitate the ascending or descending of the elevation deck.
- Another purpose yet of the present invention is to provide a dry and wet dual-purpose hand vacuum cleaner adapted with a switcher. Wherein, the water curette incorporated by insertion to the elevation deck is replaceable.
- FIG. 1 is a perspective view showing primary members of the present invention.
- FIG. 2 is a sectional view of the present invention.
- FIG. 3 is a schematic view showing that an elevation deck is separated from the nozzle.
- FIG. 4 is a sectional view showing a knob, a lid and the elevation deck of the present invention as assembled.
- FIG. 5 is a sectional view showing that the openness of the nozzle of the present invention is at its maximal status.
- FIG. 6 is a sectional view showing that the openness of the nozzle of the present invention is at its minimum status.
- FIG. 7 is a schematic view showing that the present invention is switched to wet operation mode.
- a dry/wet dual-purpose hand vacuum cleaner of the present invention is comprised of a body 1 and a dust receiver 2 provided at the front end of the vacuum cleaner.
- the body 1 also includes a strainer, a fan, a motor, a switch, a handle, and/or a charging base of the prior art and will not be elaborated herein.
- the switcher of the present invention is provided at the tip of the dust receiver 2 and essentially comprised of an elevation deck 3 adapted with a water curette 31 at a nozzle 21 of the dust receiver 2 , a lid 4 and a knob 5 .
- the nozzle 21 provided at the front of the dust receiver 2 extends inwardly to define an inner tube 22 to suck into the dust through the nozzle 21 when the vacuum cleaner is started.
- a water retainer 23 and a strainer cover 24 are disposed in sequence at the rear end of the dust receiver 2 .
- the peripheral of the water retainer 23 is sealed with a watertight strip 231 to define an enclosed space 25 to accommodate the water stains, liquid, or mixture of liquid and solid with good watertight result when the water retainer 23 is stuffed into the dust receiver 2 as also found in the prior art.
- a recessed space 26 is provided in the front of the nozzle 21 to accommodate the elevation deck 3 , the lid 4 and the knob 5 .
- a retaining plate 221 extends from the inner wall of the recessed space 26 .
- One guidepost or multiple guideposts plate 222 is disposed on the retaining plate 221 , and a longitudinal plate 223 is disposed in the middle of the retaining plate 221 .
- the elevation deck 3 related to a deck with its cross section indicating an L shape is adapted to the recessed space 26 of the dust receiver 2 .
- the replaceable water curette 31 is inserted to the front of the elevation deck 3 .
- a spiral post 32 is provided at the center of the elevation deck 3 and a retaining plate 33 extends from the wall at the rear end of the elevation deck 3 .
- One guide hole or multiple guide holes 331 is provided on the retaining plate 33 and a slot 332 is longitudinally provided in the middle of the retaining plate 33 . Both of the guide hole 331 and the longitudinal slot 332 are merely located at where corresponding to the guidepost 222 and the longitudinal plate 223 that penetrate through the recessed space 26 to help guide the elevation deck 3 to achieve smooth ascending or descending.
- the lid 4 incorporated by insertion to where above the recessed space 26 of the nozzle 21 has at its end surface provided with an opening 41 .
- the knob 5 provided in the opening 41 of the lid 4 has its upper end disposed with a rotation plate 51 and its lower end an inner spiral tube 52 .
- the inner spiral tube 52 screwed to the spiral post 32 of the elevation deck 3 is provided with a threaded inner tube, and one or multiple inverse insertion plate 521 is provided by punching on the external wall of the inner spiral tube 52 .
- Both of the inverse insertion plate 521 and the wall of the opening 41 lock the knob 5 in position by holding against the when the knob 5 is inserted into the opening 41 of the lid 4 as illustrated in FIG. 4 without the risk of falling off.
- the knob 5 when incorporated to the spiral post 32 of the elevation deck 3 can only be turned without being moved. When the knob 5 is turned, it drives the elevation deck 3 to either ascend or descend.
- the elevation deck 3 By turning the knob 5 clockwise or counter-clockwise, the elevation deck 3 produce the displacement of ascending or descending.
- the nozzle 21 is given its maximal openness to permit the hand vacuum cleaner to operate in dry mode.
- the nozzle 21 is given its minimum openness thus to fully expose the water curette 31 for the hand vacuum cleaner to operate in wet mode.
- the hand vacuum cleaner With the minimum openness, the hand vacuum cleaner is at its highest vacuuming velocity to fast remove water stains, liquid or mixture of liquid and solid into the enclosed space 25 in the dust receiver 2 in the route as indicated by the arrow illustrated in FIG. 7 .
- the peripheral wall of the recessed space 26 in the nozzle 21 is provided with one or multiple locking slots 261 , and one or multiple locking plates 42 is provided at where in relation to the peripheral wall of the lid 4 .
- the locking plate 42 and the locking slot 261 are interlocked to each other in position for the lid 4 to be firmly secured at where above the recessed space 26 of the nozzle 21 .
- the water curette 31 provided at the front of the elevation deck 3 is completely hidden to the inner wall of the nozzle 21 when the elevation deck 3 ascends to its upper limit to allow the maximal openness for the nozzle 21 for the hand vacuum cleaner to operate in dry mode.
- two or more than two slots 522 are provided at the opening of the inner spiral tube 52 to permit proper flexibility to the opening of the inner spiral tube 52 for fast insertion into the spiral post 32 incorporated to the elevation deck 3 .
- the lid 4 may be integrated to the above of the nozzle; or the water curette 31 may be adapted to the elevation deck 3 by locking or any other equivalent means.
- the present invention by simply turning a knob achieves the easy switching between the dry and wet operation modes for the hand vacuum cleaner without any external attachments allows easy use and discloses an innovative and justified structure. Therefore, this application for a utility patent is duly filed accordingly.
Abstract
A hand vacuum cleaner with a dry/wet switcher that operates in dry or wet mode without any external attachment is comprised of an elevation deck adapted with a water curette provided at the nozzle of the dust receiver; the knob being turned to control the ascending or descending of the elevation deck to change the openness of the nozzle; larger openness of the nozzle allowing dry operation mode and smaller openness to fully expose the water curette thus to operate in wet mode at the highest vacuuming velocity.
Description
- (a) Field of the Invention
- The present invention is related to a hand vacuum cleaner with a dry/wet switcher, and more particularly, to one that has its elevation deck provided with a water curette that can be adjusted to change the openness of the nozzle for switching between the dry and wet operation modes.
- (b) Description of the Prior Art
- A wet/dry dual-purpose hand vacuum cleaner of the prior art has to be adapted with an external rubber hose or any other attachment exclusively for wet operation mode to clean water, milk, other types of liquid or mixture of liquid and solid. Those extra external attachments require additional storage space, make the handling for storage of the vacuum cleaner more troublesome, and are vulnerable to get lost to fail the wet operation mode. Furthermore, it's not handy and much time may be wasted in replacing the external attachments in switching for another operation mode.
- The primary purpose of the present invention is to provide a dry and wet dual-purpose hand vacuum cleaner adapted with a switcher that does not require any external attachments to change the operation between wet and dry modes, thus to eliminate the problems of storage or making shift as found with the prior art, promote the operation efficacy of the cleaner as a whole, and simplify the switching process between two operation modes. To achieve the purpose, an elevation deck adapted with a water curette is provided at the nozzle of the dust receiver with the openness of the nozzle adjustable by ascending or descending the elevation deck from turning a knob to fast switch between both operation modes.
- Another purpose of the present invention is to provide a dry and wet dual-purpose hand vacuum cleaner adapted with a switcher. Wherein, a guidepost is erected on the nozzle of the dust receiver, and a corresponding guidepost is disposed at the elevation deck to help facilitate the ascending or descending of the elevation deck.
- Another purpose yet of the present invention is to provide a dry and wet dual-purpose hand vacuum cleaner adapted with a switcher. Wherein, the water curette incorporated by insertion to the elevation deck is replaceable.
-
FIG. 1 is a perspective view showing primary members of the present invention. -
FIG. 2 is a sectional view of the present invention. -
FIG. 3 is a schematic view showing that an elevation deck is separated from the nozzle. -
FIG. 4 is a sectional view showing a knob, a lid and the elevation deck of the present invention as assembled. -
FIG. 5 is a sectional view showing that the openness of the nozzle of the present invention is at its maximal status. -
FIG. 6 is a sectional view showing that the openness of the nozzle of the present invention is at its minimum status. -
FIG. 7 is a schematic view showing that the present invention is switched to wet operation mode. - Referring to
FIGS. 1 and 2 , a dry/wet dual-purpose hand vacuum cleaner of the present invention is comprised of abody 1 and adust receiver 2 provided at the front end of the vacuum cleaner. Thebody 1 also includes a strainer, a fan, a motor, a switch, a handle, and/or a charging base of the prior art and will not be elaborated herein. The switcher of the present invention is provided at the tip of thedust receiver 2 and essentially comprised of anelevation deck 3 adapted with awater curette 31 at anozzle 21 of thedust receiver 2, alid 4 and aknob 5. - Wherein, the
nozzle 21 provided at the front of thedust receiver 2 extends inwardly to define aninner tube 22 to suck into the dust through thenozzle 21 when the vacuum cleaner is started. Awater retainer 23 and astrainer cover 24 are disposed in sequence at the rear end of thedust receiver 2. The peripheral of thewater retainer 23 is sealed with awatertight strip 231 to define an enclosedspace 25 to accommodate the water stains, liquid, or mixture of liquid and solid with good watertight result when thewater retainer 23 is stuffed into thedust receiver 2 as also found in the prior art. However, in the present invention, arecessed space 26 is provided in the front of thenozzle 21 to accommodate theelevation deck 3, thelid 4 and theknob 5. Aretaining plate 221 extends from the inner wall of therecessed space 26. One guidepost ormultiple guideposts plate 222 is disposed on theretaining plate 221, and alongitudinal plate 223 is disposed in the middle of theretaining plate 221. - As illustrated in
FIG. 3 , theelevation deck 3 related to a deck with its cross section indicating an L shape is adapted to therecessed space 26 of thedust receiver 2. Thereplaceable water curette 31 is inserted to the front of theelevation deck 3. Aspiral post 32 is provided at the center of theelevation deck 3 and aretaining plate 33 extends from the wall at the rear end of theelevation deck 3. One guide hole ormultiple guide holes 331 is provided on theretaining plate 33 and aslot 332 is longitudinally provided in the middle of theretaining plate 33. Both of theguide hole 331 and thelongitudinal slot 332 are merely located at where corresponding to theguidepost 222 and thelongitudinal plate 223 that penetrate through therecessed space 26 to help guide theelevation deck 3 to achieve smooth ascending or descending. - The
lid 4 incorporated by insertion to where above therecessed space 26 of thenozzle 21 has at its end surface provided with anopening 41. - The
knob 5 provided in theopening 41 of thelid 4 has its upper end disposed with arotation plate 51 and its lower end an innerspiral tube 52. The innerspiral tube 52 screwed to thespiral post 32 of theelevation deck 3 is provided with a threaded inner tube, and one or multipleinverse insertion plate 521 is provided by punching on the external wall of the innerspiral tube 52. Both of theinverse insertion plate 521 and the wall of theopening 41 lock theknob 5 in position by holding against the when theknob 5 is inserted into theopening 41 of thelid 4 as illustrated inFIG. 4 without the risk of falling off. Theknob 5 when incorporated to thespiral post 32 of theelevation deck 3 can only be turned without being moved. When theknob 5 is turned, it drives theelevation deck 3 to either ascend or descend. - By turning the
knob 5 clockwise or counter-clockwise, theelevation deck 3 produce the displacement of ascending or descending. Once theelevation deck 3 ascends to its upper limit as illustrated inFIG. 5 , thenozzle 21 is given its maximal openness to permit the hand vacuum cleaner to operate in dry mode. On the contrary, when theelevation deck 3 descends to its lower limit as illustrated inFIG. 6 , thenozzle 21 is given its minimum openness thus to fully expose thewater curette 31 for the hand vacuum cleaner to operate in wet mode. With the minimum openness, the hand vacuum cleaner is at its highest vacuuming velocity to fast remove water stains, liquid or mixture of liquid and solid into the enclosedspace 25 in thedust receiver 2 in the route as indicated by the arrow illustrated inFIG. 7 . - With the inner
spiral tube 52 screwed to thespiral post 32 of theelevation deck 3 to the full extent of lock up for theelevation deck 3 to ascend to its upper limit. When theknob 5 is turned counter-clockwise to its extreme, theretaining plate 33 of theelevation deck 3 and theretaining plate 221 in therecessed space 26 are in the status of full retaining. - The peripheral wall of the
recessed space 26 in thenozzle 21 is provided with one ormultiple locking slots 261, and one ormultiple locking plates 42 is provided at where in relation to the peripheral wall of thelid 4. Thelocking plate 42 and thelocking slot 261 are interlocked to each other in position for thelid 4 to be firmly secured at where above therecessed space 26 of thenozzle 21. - Now referring to
FIG. 5 , thewater curette 31 provided at the front of theelevation deck 3 is completely hidden to the inner wall of thenozzle 21 when theelevation deck 3 ascends to its upper limit to allow the maximal openness for thenozzle 21 for the hand vacuum cleaner to operate in dry mode. - Additional to the
inverse insertion plate 521 provided by punching on the wall of the innerspiral tube 52 of theknob 5, two or more than twoslots 522 are provided at the opening of theinner spiral tube 52 to permit proper flexibility to the opening of the innerspiral tube 52 for fast insertion into thespiral post 32 incorporated to theelevation deck 3. - It is to be noted that the preferred embodiment disclosed above is not used to restrict the teaching of the present invention. Any other equivalent replacement and/or substitution art shall be deemed as falling within the scope of the specification of the present invention. For example, if and when required, the
lid 4 may be integrated to the above of the nozzle; or thewater curette 31 may be adapted to theelevation deck 3 by locking or any other equivalent means. - The present invention by simply turning a knob achieves the easy switching between the dry and wet operation modes for the hand vacuum cleaner without any external attachments allows easy use and discloses an innovative and justified structure. Therefore, this application for a utility patent is duly filed accordingly.
Claims (8)
1. A hand vacuum cleaner with a dry/wet switcher comprised of a body of the cleaner, a dust receiver disposed at the tip of the body, an elevation deck adapted with a water curette being provided to a nozzle of the dust receiver, a lid, and a knob is characterized by that: the dust receiver having its nozzle to extend inwardly to define an inner tube, an enclosed space being defined in the dust receiver, and a recessed space being disposed at the front of the nozzle to accommodate the elevation deck, the lid and the knob; the elevation deck adapted in the recessed space of the dust receiver having been inserted at its front the water curette, and a spiral post being disposed in the middle of the elevation deck; the lid provided at where above the recessed space of the nozzle having at its end surface provided with an opening; the knob secured in the opening of the lid having at its lower end provided with an inner spiral tube to be screwed to the inner spiral post disposed on the elevation deck; the ascending and descending of the elevation deck being controlled by turning the knob to change the openness of the nozzle; the larger openness of the nozzle allowing the hand vacuum cleaner to operate in dry mode; and the smaller openness of the nozzle allowing the hand vacuum cleaner to operate in wet mode by exposing the water curette.
2. A hand vacuum cleaner with a dry/wet switcher as claimed in claim 1 , wherein, a retaining plate extends from the inner wall of the recessed space of the nozzle, one or multiple guidepost being provided on the retaining plate, a longitudinal plate being provided in the middle of the retaining plate, another retaining plate extending from the real end wall of the elevation deck, one or multiple guide holes being provided on the retaining plate and a slot being longitudinally disposed in the middle of the retaining plate; and the guide hole and the longitudinal slot being merely provided in relation to the guidepost and the longitudinal plate penetrating into the recessed space.
3. A hand vacuum cleaner with a dry/wet switcher as claimed in claim 1 , wherein, a rotation plate is provided on the top of the knob.
4. A hand vacuum cleaner with a dry/wet switcher as claimed in claim 1 , wherein, one or multiple locking slots is provided on the peripheral wall of the recessed space in the nozzle; one or multiple corresponding locking plates is provided on the peripheral wall of the lid; and the locking slot and the locking plate are interlocked to each other in position.
5. A hand vacuum cleaner with a dry/wet switcher as claimed in claim 1 , wherein, the lid is integrated with the nozzle at where above the nozzle.
6. A hand vacuum cleaner with a dry/wet switcher as claimed in claim 1 , wherein, the elevation deck relates to a deck with a cross section of an L shape.
7. A hand vacuum cleaner with a dry/wet switcher as claimed in claim 1 , wherein, the inner spiral rube at the lower end of the knob is formed by punching one or multiple inverse insertion plates.
8. A hand vacuum cleaner with a dry/wet switcher as claimed in claim 1 , wherein, the knob is provided with two or more than two slots at the opening of the inner spiral tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/842,459 US20050251950A1 (en) | 2004-05-11 | 2004-05-11 | Hand vacuum cleaner with dry & wet switcher |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/842,459 US20050251950A1 (en) | 2004-05-11 | 2004-05-11 | Hand vacuum cleaner with dry & wet switcher |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050251950A1 true US20050251950A1 (en) | 2005-11-17 |
Family
ID=35307956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/842,459 Abandoned US20050251950A1 (en) | 2004-05-11 | 2004-05-11 | Hand vacuum cleaner with dry & wet switcher |
Country Status (1)
Country | Link |
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US (1) | US20050251950A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8590103B2 (en) | 2011-10-05 | 2013-11-26 | Shop Vac Corporation | Vacuum cleaner with removable battery pack |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4831685A (en) * | 1987-11-27 | 1989-05-23 | The Hoover Company | Wet and dry vacuum cleaner |
USRE33074E (en) * | 1984-03-07 | 1989-10-03 | Cic Int'l Corp. | Wet-dry vacuum cleaner |
US4920608A (en) * | 1988-08-08 | 1990-05-01 | Emerson Electric Co. | Portable hand held vacuum cleaner |
US5099545A (en) * | 1990-08-28 | 1992-03-31 | Black & Decker Inc. | Vacuum cleaner including a squeegee |
-
2004
- 2004-05-11 US US10/842,459 patent/US20050251950A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE33074E (en) * | 1984-03-07 | 1989-10-03 | Cic Int'l Corp. | Wet-dry vacuum cleaner |
US4831685A (en) * | 1987-11-27 | 1989-05-23 | The Hoover Company | Wet and dry vacuum cleaner |
US4831685B1 (en) * | 1987-11-27 | 1995-05-09 | Hoover Co | Wet and dry vacuum cleaner |
US4920608A (en) * | 1988-08-08 | 1990-05-01 | Emerson Electric Co. | Portable hand held vacuum cleaner |
US5099545A (en) * | 1990-08-28 | 1992-03-31 | Black & Decker Inc. | Vacuum cleaner including a squeegee |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8590103B2 (en) | 2011-10-05 | 2013-11-26 | Shop Vac Corporation | Vacuum cleaner with removable battery pack |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: ZWEITA INTERNATIONAL CO. LTD., BRUNEI DARUSSALAM Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HSU, CHIH-KAO;REEL/FRAME:015315/0041 Effective date: 20040428 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |