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US3646497A - Shoe with interchangeable heels - Google Patents

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Publication number
US3646497A
US3646497A US3646497DA US3646497A US 3646497 A US3646497 A US 3646497A US 3646497D A US3646497D A US 3646497DA US 3646497 A US3646497 A US 3646497A
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Grant
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Prior art keywords
shoe
heel
upper
high
shank
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.)
Expired - Lifetime
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Bobby G Gillikin
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BOBBY G GILLIKIN
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BOBBY G GILLIKIN
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole and heel units
    • A43B13/28Soles; Sole and heel units characterised by their attachment, also attachment of combined soles and heels
    • A43B13/34Soles also attached to the inner side of the heels
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00Heels; Top-pieces, e.g. high heels, heel distinct from the sole, high heels monolithic with the sole
    • A43B21/36Heels; Top-pieces, e.g. high heels, heel distinct from the sole, high heels monolithic with the sole characterised by their attachment; Securing devices for the attaching means
    • A43B21/39Heels; Top-pieces, e.g. high heels, heel distinct from the sole, high heels monolithic with the sole characterised by their attachment; Securing devices for the attaching means by rib groove
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43CFASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00Other fastenings specially adapted for shoes
    • A43C11/002Fastenings using stretchable material attached to cuts in the uppers

Abstract

A shoe construction having angle irons mounted to the heel seat of the shoe for slidably mounting interchangeable low and high heels. An arch supporting plate is attached to the shoe shank for rendering vertical support to the shank when a high heel is utilized. An elastic band is attached to the upper opening for retaining the upper snugly against the wearer''s foot. Stiffening strips are attached to oppositely disposed vertical arch portions of the shoe to prevent outward bulging of this shoe portion when the high heel is employed.

Description

United States atent Gillikin 5] Feb. 29, 1972 [54] SHOE WITH INTERCHANGEABLE 2,125,657 8/1938 Staub et a1. .....36/36 R HEELS 2,240,816 5/1941 Tweedie ..36/51 I 2,258,265 10/1941 Schwartz... .....36/42 X [72] Inventor: Bobby G. Glllllun, Beaufort, N.C. 540 2 1941 vamos M 3 /51 X 73 A e: M rth A Willis H k I l d, N 2,958,966 11/1960 Huberman... .....36/51 1 i g: m S a 3,084,460 4/1963 Huberman... .....36/51 [22] Filed: J 1970 Primary Examiner-Alfred R. Guest [21] Appl. No; 3,029 Attorney-Clarence A. O'Brien and Harvey B. Jacobson [57] ABSTRACT 52 S 53 A shoe construction having angle irons mounted to the heel I 58] i 42 36 34 seat of the shoe for slidably mounting interchangeable low and high heels. An arch supporting plate is attached to the shoe shank for rendering vertical support to the shank when a high [56] Rem-em Cited heel is utilized. An elastic band is attached to the upper openn STATES PATENTS ing for retaining the upper snugly against the wearer's foot. Stiffening strips are attached to oppositely disposed vertical 65,247 5/ 1867 Loveland ..36/42 X arch portions of the shoe to prevent outward bulging f hi gggfiz shoe portion when the high heel is employed. 1,832,736 11/1931 Raposy ..36/58 5 4 Claims, 8 Drawing Figures PAIENTEnmzs I972 3,646,497

sum 2 OF 2 TO I( A BY @Maa/Eh WWW mm SHOE WITH INTERCHANGEABLE HEELS In the past, several designs have been conceived which allow the shoe wearer to switch between interchangeable high and low heels. However, such shoe constructions generally require the fastening of hardware which requires tools. One type of prior art construction utilizes a dovetail connection for attaching a heel to the shoe. However, this retention loses its effectiveness as the shoe is worn and play in the connections develops. A common problem with the prior art resides in the absence of means for retaining the shoe upper in intimate contact with the wearers foot when the shoe is converted to high heel use. Therefore, although the prior art constructions allow for snug fit when the shoe is worn with a flat heel, when the high heel is mounted, the flexing of the shoes causes outward bulging which definitely detracts from the shoe s aesthetic appearance.

The primary purpose of the present invention is to provide means for retaining the shape of a shoe having interchangeable heels. The present construction includes stiffener strips inserted in the oppositely disposed lateral arch portions of the shoe as well as an elastic band attached to the collar of the shoe. This combination of means provides intimate fitting between the shoe upper and a wearers foot when the shoe is changed from a flat low-heel position to a flexed high heel position. Also, an arch supporting plate is mounted to the shoe shank for rendering vertical support to the shank thereby preventing the shank from sagging when the high heel is used.

In order to allow heel interchangeability, angle irons are suitably fastened to the heel seat of the shoe body, each of the angle irons being shaped to include a tapered or wedged flange portion. Mating grooves are formed in the heel so that sliding engagement between the heel and the angle irons can be effected. When the heel fully engages the angle irons, a wedging action is achieved thereby connecting the heel securely to the shoe. This wedging action is not lost after prolonged use and many changeovers, as is prevalent with prior art constructions.

These together with other objects and advantages which will become subsequently apparent reside in the details of construction and operation as more fully hereinafter described and claimed, reference being had to the accompanying drawings forming a part hereof, wherein like numerals refer to like parts throughout, and in which:

FlG. l is a side elevational view of the present invention having a cutaway portion to illustrate an elastic band along the shoe collar, the shoe being illustrated with a high heel.

H6. 2 is a bottom plan view of the shoe shown in FIG. 1.

FIG. 3 is a partial longitudinal sectional view taken along a plane passing through section line 33 in FIG. 2.

FIG. 4 is a rear elevational view of the shoe shown in FIG. 3 with a cutaway portion to illustrate the mechanical components allowing shoe interchangeability.

FIG. 5 is an exploded view illustrating the interchangeable heels and means for mounting the same to the shoe body and also illustrates means for retaining the shoe upper in intimate contact with the wearers foot.

FIG. 6 is a partial sectional view illustrating the contour of a groove formed in a heel which permits the mounting of the heel to the shoe body.

FIG. 7 is a view similar to FIG. 1 illustrating the shoe employed with a low heel.

FIG. 8 is atop view ofthe heel of FIG. 7.

Referring to the figures and more particularly FIG. 1 thereof, reference numeral 10 generally denotes a shoe construction having interchangeable heels. The shoe includes an upper 12 bounded along the top edge thereof referred to as a collar !3. The forward portion of the collar is referred to as a throat 14. The sole of the shoe l5 resembles the conventional sole and articulates the rear portion of an interchangeable high heel 16. As will be seen by FIG. 7, the high heel may be removed from the shoe and in its stead, a low or flat heel 18 can be mounted. The heel forms an interface with a heel seat l7.

Referring to FIGS. 1-3, in order to retain the shape of shank 22 when the shoe is employed in the high-heel mode, a shank stiffening plate 20 is sandwiched between the shank 22 and an inner sole pad 21. This plate is fabricated from steel and is characterized by dimensions typically approximately 1% inch in width and 4% inches in length. The steel plate exhibits little flexibility thereby rendering vertical support of the shank as becomes apparent in FIG. l.

As previously mentioned, a common problem with shoes having interchangeable heels is that when a snugly fitting shoe with a mounted low heel is converted to high heel use, the laterally opposing arch portions 25 of the shoe upper, as well as the shoe collar 13 have a tendency to bulge outward thus decreasing foot support and detracting from the aesthetic appearance of the shoe. In order to obviate this problem, two angularly inclined plastic strips 24 are suitably attached to the inner surface of the arches 25 and extend at the transverse edges thereof between the shoe collar and the shoe shank. These rigidifying strips prevent the outward bulging and drooping of the shoe arch portions.

In order to retain the shoe collar 13 against the wearer's foot, a generally U-shaped elastic band 26 clearly shown in FIG. 8 is sewn, pasted or otherwise suitably attached along the shoe collar. The bight portion of the band extends around the instep of the shoe while the outer band ends are generally disposed in vertical alignment with the breasting 27 of the heel.

A pair of mounting brackets 28 illustrated in FIG. 5 are mounted to the heel seat 17 and provide means for mounting the interchangeable heels. Each bracket 28 has an upper flange 30 including a series of apertures 32 therein for allowing rivet attachment of the bracket between the heel seat 17 and inner sole pad 21, as shown in FIG. 3. The web portion 34 of the bracket is formed perpendicular to the flange 30 and is fashioned in the shape of a wedge or elongated trapezoid. Thus, the forward edge of web 32 is smaller in height than the rearward edge. This configuration permits wedging engagement between the brackets and grooves formed in the interchangeable heels as hereinafter explained. A third bottom horizontal flange 36 appends from web 34 and is oppositely directed from the aforementioned flange 30. Thus, the cross section of the mounting brackets may be characterized as a dimensionally varying Z-shaped member as shown in FIG. 4. when mounted to the heel seat, the free ends of the bottom horizontal flanges 36 confront one another.

Once an interchangeable heel is slidably mounted on the angle irons 28, the heel is locked into place by a detect assembly including a plate 33 riveted to the shank 22 immediately in front of the heel breasting 27. A downwardly extending projections 42 is adapted to engage an aperture 46 formed in a cantilevered projection 45 which extends forwardly of the top edge of the interchangeable heels l6 and 18. The engagement of projection 42 and aperture 46 complete the detent engagement between the main shoe body and the heel. The forward edge of the cantilevered projection 45 is turned downwardly somewhat thereby permitting the wearer to manipulate the projection 45 when release of locking engagement is desired so that the mounted heel may be removed and an alternate heel put on. Two parallel spaced grooves generally indicated by reference number 44 are forward in the upper surface of heels I6 and 18. The cross section of these grooves is substantially L-shaped thereby permitting intimate sliding engagement between the angle irons 28 and the grooves 44. As previously mentioned, the web portion 34 of the angle irons 28 is wedged into mating groove portions so that the heel is snugly engaged by the angle irons. This engagement coupled with the locking engagement of the aforementioned detent assembly insures secure attachment of the heel to the shoe body.

When removal of a particular heel is desired, the cantilever projection 45 is pulled thus permitting easy sliding displacement of the mounted heel from the angle irons and positioning of a second heel thereon.

The present invention is particularly attractive for working women, such as secretaries and store clerks because it provides means for wearing low heels during the working day and rapid changeover to high heels when desired, such as for even ing wear. The extra pair of heels can be conveniently carried in the ladys purse and when changeover is desired, it may be effected simply and conveniently.

The foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly all suitable modifications and equivalents may be resorted to, falling within the scope of the invention as claimed.

What is claimed as new is as follows.

i. A shoe structure having removable heels comprising mounting means fastened to the heel seat for removably attaching a heel, and means attached to the shoe upper for retaining a snug fit between the shoe and the wearer's foot when the shoe is worn with either heel, the means connected to the upper of the shoe including vertically extending stiffening strips attached directly to oppositely disposed lateral side portions of the upper in the shank portion along a substantial length of each stiffening strip for retaining a snug fit between the side portions of the upper and the wearers foot when the shoe is worn with either heel and to prevent outward bulging of the side portions when the high heel is worn.

2. The structure set forth in claim 1 wherein the means attached to the upper includes a generally U-shaped elastic band attached to the upper opening, the bight of the band lying along the throat portion of the upper opening and the outward ends of the bands extending to points in general vertical alignment with the breasting of the heel, the band overlying at least a portion of each stiffening strip serving to retain the shape of the side portions by preventing outward bulging in the proximate areas of the stiffening strips.

3. The structure set forth in claim 2 together with a shank stiffening plate attached to the shank for vertically supporting the shank when the shoe is worn with a high heel.

A. The structure set forth in claim 3 wherein said elastic band overlies a substantial vertical area of each side portion to prevent bulging in a generally horizontal direction, said stiffening strips maintaining the side portions shape to prevent bulging in a vertical direction

Claims (4)

1. A shoe structure having removable heels comprising mounting means fastened to the heel seat for removably attaching a heel, and means attached to the shoe upper for retaining a snug fit between the shoe and the wearer''s foot when the shoe is worn with either heel, the means connected to the upper of the shoe including vertically extending stiffening strips attached directly to oppositely disposed lateral side portions of the upper in the shank portion along a substantial length of each stiffening strip for retaining a snug fit between the side portions of the upper and the wearer''s foot when the shoe is worn with either heel and to prevent outward bulging of the side portions when the high heel is worn.
2. The structure set forth in claim 1 wherein the means attached to the upper includes a generally U-shaped elastic band attached to the upper opening, the bight of the band lying along the throat portion of the upper opening and the outward ends of the bands extending to points in general vertical alignment with the breasting of the heel, the band overlying at least a portion of each stiffening strip serving to retain the shape of the side portions by preventing outward bulging in the proximate areas of the stiffening strips.
3. The structure set forth in claim 2 together with a shank stiffening plate attached to the shank for vertically supporting the shank when the shoe is worn with a high heel.
4. The structure set forth in claim 3 wherein said elastic band overlies a substantial vertical area of each side portion to prevent bulging in a generally horizontal direction, said stiffening strips maintaining the side portions shape to prevent bulging in a vertical direction.
US3646497A 1970-01-15 1970-01-15 Shoe with interchangeable heels Expired - Lifetime US3646497A (en)

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347730A (en) * 1993-02-02 1994-09-20 Commonwealth Of Puerto Rico Low heel shoe convertible to high heel shoe and vice versa with an adjustable shank
US5560126A (en) * 1993-08-17 1996-10-01 Akeva, L.L.C. Athletic shoe with improved sole
US5615497A (en) * 1993-08-17 1997-04-01 Meschan; David F. Athletic shoe with improved sole
US5806210A (en) * 1995-10-12 1998-09-15 Akeva L.L.C. Athletic shoe with improved heel structure
US5918384A (en) * 1993-08-17 1999-07-06 Akeva L.L.C. Athletic shoe with improved sole
US5970630A (en) * 1994-01-07 1999-10-26 Gallegos Alvaro Z Rigid midsole footware structure with removable undercarriage attaching means
US20030163934A1 (en) * 2000-04-13 2003-09-04 Wallin Rosemary Jane Shoes
US20030233771A1 (en) * 2002-05-23 2003-12-25 Adidas International Marketing B.V. Shoe upper and methods of manufacture
US6711835B1 (en) 2002-08-08 2004-03-30 John Militello Shoe and replaceable heel
US20060075662A1 (en) * 2004-10-13 2006-04-13 Schupbach Lori A Shoe with interchangeable heel members
US20070011909A1 (en) * 2005-06-20 2007-01-18 Palmeri John G Iii Womens shoe that transforms from a high heel shoe to a flat type shoe
US7540099B2 (en) 1994-08-17 2009-06-02 Akeva L.L.C. Heel support for athletic shoe
US20100101113A1 (en) * 2008-10-27 2010-04-29 Nike, Inc. Article of Footwear with Interchangeable Heels
US20100186258A1 (en) * 2009-01-27 2010-07-29 Garza Sandra D Shoe and boot construction with attachable components
US20100186259A1 (en) * 2009-01-27 2010-07-29 Sandra Garza Shoe and boot construction with attachable components
US20110067265A1 (en) * 2009-09-24 2011-03-24 Gabrielle Green Transitional shoe with screw-on heel
US8201347B2 (en) 2009-01-08 2012-06-19 Sandra Garza Shoe construction with attachable components
US20140259777A1 (en) * 2013-03-15 2014-09-18 Kimberly Morris Thill Shoes with interchangeable heels
US20160183625A1 (en) * 2014-12-29 2016-06-30 Sayid Qamber Reza Rezvi Women's shoes that interchange from high heel form to flat form
WO2016179675A1 (en) * 2015-05-12 2016-11-17 Stiefelmann Roberto Women's shoe with detachable high heel, convertible into flat shoes, flat sandals and the like
US9603410B2 (en) 2013-02-13 2017-03-28 Flop Girl, Llc Modular shoe with interchangeable components and method of attachment

Cited By (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347730A (en) * 1993-02-02 1994-09-20 Commonwealth Of Puerto Rico Low heel shoe convertible to high heel shoe and vice versa with an adjustable shank
US6996924B2 (en) 1993-08-17 2006-02-14 Akeva L.L.C. Rear sole structure for athletic shoe
US5615497A (en) * 1993-08-17 1997-04-01 Meschan; David F. Athletic shoe with improved sole
US7380350B2 (en) 1993-08-17 2008-06-03 Akeva L.L.C. Athletic shoe with bottom opening
US5826352A (en) * 1993-08-17 1998-10-27 Akeva L.L.C. Athletic shoe with improved sole
US5918384A (en) * 1993-08-17 1999-07-06 Akeva L.L.C. Athletic shoe with improved sole
US7076892B2 (en) 1993-08-17 2006-07-18 Akeva L.L.C. Shock absorbent athletic shoe
US7069671B2 (en) 1993-08-17 2006-07-04 Akeva L.L.C. Arch bridge for athletic shoe
US6050002A (en) * 1993-08-17 2000-04-18 Akeva L.L.C. Athletic shoe with improved sole
US5560126A (en) * 1993-08-17 1996-10-01 Akeva, L.L.C. Athletic shoe with improved sole
US6324772B1 (en) 1993-08-17 2001-12-04 Akeva, L.L.C. Athletic shoe with improved sole
US6604300B2 (en) 1993-08-17 2003-08-12 Akeva L.L.C. Athletic shoe with improved sole
US20060117602A1 (en) * 1993-08-17 2006-06-08 Meschan David F Athletic shoe with bottom opening
US7043857B2 (en) 1993-08-17 2006-05-16 Akeva L.L.C. Athletic shoe having cushioning
US7040041B2 (en) 1993-08-17 2006-05-09 Akeva L.L.C. Athletic shoe with plate
US7040040B2 (en) 1993-08-17 2006-05-09 Akeva L.L.C. Midsole for athletic shoe
US7114269B2 (en) 1993-08-17 2006-10-03 Akeva L.L.C. Athletic shoe with improved sole
US20040231192A1 (en) * 1993-08-17 2004-11-25 Meschan David F. Plate for athletic shoe
US20040231193A1 (en) * 1993-08-17 2004-11-25 Meschan David F. Shock absorbing athletic shoe
US20040231194A1 (en) * 1993-08-17 2004-11-25 Meschan David F. Athletic shoe with plate
US20040231195A1 (en) * 1993-08-17 2004-11-25 Meschan David F. Midsole for athletic shoe
US20040231198A1 (en) * 1993-08-17 2004-11-25 Meschan David F. Cushioning for athletic shoe
US20040231199A1 (en) * 1993-08-17 2004-11-25 Meschan David F. Arch bridge for athletic shoe
US20040237344A1 (en) * 1993-08-17 2004-12-02 Meschan David F. Athletic shoe having cushioning
US20040237347A1 (en) * 1993-08-17 2004-12-02 Meschan David F. Bottom surface configuration for athletic shoe
US20040237345A1 (en) * 1993-08-17 2004-12-02 Meschan David F. Rear sole structure for athletic shoe
US20040244222A1 (en) * 1993-08-17 2004-12-09 Meschan David F. Shock absorbent athletic shoe
US6962009B2 (en) 1993-08-17 2005-11-08 Akeva L.L.C. Bottom surface configuration for athletic shoe
US6966129B2 (en) 1993-08-17 2005-11-22 Akeva L.L.C. Cushioning for athletic shoe
US6966130B2 (en) 1993-08-17 2005-11-22 Akeva L.L.C. Plate for athletic shoe
US6968635B2 (en) 1993-08-17 2005-11-29 Akeva L.L.C. Athletic shoe bottom
US6996923B2 (en) 1993-08-17 2006-02-14 Akeva L.L.C. Shock absorbing athletic shoe
US6195916B1 (en) 1993-08-17 2001-03-06 Akeva, L.L.C. Athletic shoe with improved sole
US5970630A (en) * 1994-01-07 1999-10-26 Gallegos Alvaro Z Rigid midsole footware structure with removable undercarriage attaching means
US7540099B2 (en) 1994-08-17 2009-06-02 Akeva L.L.C. Heel support for athletic shoe
US7596888B2 (en) 1994-08-17 2009-10-06 Akeva L.L.C. Shoe with flexible plate
US20050262731A1 (en) * 1995-10-12 2005-12-01 Akeva, L.L.C. Athletic shoe with visible arch bridge
US5806210A (en) * 1995-10-12 1998-09-15 Akeva L.L.C. Athletic shoe with improved heel structure
US20070101614A1 (en) * 1995-10-12 2007-05-10 Meschan David F Athletic shoe with visible arch bridge
US6662471B2 (en) 1995-10-12 2003-12-16 Akeva, L.L.C. Athletic shoe with improved heel structure
US7536809B2 (en) 1995-10-12 2009-05-26 Akeva L.L.C. Athletic shoe with visible arch bridge
US5970628A (en) * 1995-10-12 1999-10-26 Akeva L.L.C. Athletic shoe with improved heel structure
US20040123496A1 (en) * 1995-10-12 2004-07-01 Akeva, L.L.C. Athletic shoe with improved heel structure
US7082700B2 (en) 1995-10-12 2006-08-01 Akeva L.L.C. Athletic shoe with inclined wall configuration
US7089689B2 (en) 1995-10-12 2006-08-15 Akeva L.L.C. Athletic shoe with inclined wall configuration and non-ground-engaging member
US20050262730A1 (en) * 1995-10-12 2005-12-01 Akeva, L.L.C. Athletic shoe with inclined wall configuration
US7127835B2 (en) 1995-10-12 2006-10-31 Akeva L.L.C. Athletic shoe with improved heel structure
US7155843B2 (en) 1995-10-12 2007-01-02 Akeva, L.L.C. Athletic shoe with visible arch bridge
US20050262732A1 (en) * 1995-10-12 2005-12-01 Akeva, L.L.C. Athletic shoe with inclined wall configuration and non-ground-engaging member
US7168184B2 (en) * 2000-04-13 2007-01-30 Kit Shoe Limited Shoes
US20030163934A1 (en) * 2000-04-13 2003-09-04 Wallin Rosemary Jane Shoes
US20070256330A1 (en) * 2000-04-13 2007-11-08 Wallin Rosemary J Shoes
US20030233771A1 (en) * 2002-05-23 2003-12-25 Adidas International Marketing B.V. Shoe upper and methods of manufacture
US7350321B2 (en) 2002-05-23 2008-04-01 Adidas International Marketing B.V. Shoe upper and methods of manufacture
US6711835B1 (en) 2002-08-08 2004-03-30 John Militello Shoe and replaceable heel
US7185448B2 (en) * 2004-10-13 2007-03-06 Lori Ann Schupbach Shoe with Interchangeable heel members
US20060075662A1 (en) * 2004-10-13 2006-04-13 Schupbach Lori A Shoe with interchangeable heel members
US20070011909A1 (en) * 2005-06-20 2007-01-18 Palmeri John G Iii Womens shoe that transforms from a high heel shoe to a flat type shoe
US8112906B2 (en) 2008-10-27 2012-02-14 Nike, Inc. Article of footwear with interchangeable heels
US20100101113A1 (en) * 2008-10-27 2010-04-29 Nike, Inc. Article of Footwear with Interchangeable Heels
US8201347B2 (en) 2009-01-08 2012-06-19 Sandra Garza Shoe construction with attachable components
US20100186259A1 (en) * 2009-01-27 2010-07-29 Sandra Garza Shoe and boot construction with attachable components
US20100186258A1 (en) * 2009-01-27 2010-07-29 Garza Sandra D Shoe and boot construction with attachable components
US20110067265A1 (en) * 2009-09-24 2011-03-24 Gabrielle Green Transitional shoe with screw-on heel
US9220317B2 (en) 2009-09-24 2015-12-29 Gabrielle Green Transitional shoe with screw-on heel
US20160106180A1 (en) * 2009-09-24 2016-04-21 Gabrielle Green Transitional shoe with screw-on heel
US9775399B2 (en) * 2009-09-24 2017-10-03 Gabrielle Green Transitional shoe with screw-on heel
US20180014600A1 (en) * 2009-09-24 2018-01-18 Gabrielle Green Transitional shoe with screw-on heel
US9603410B2 (en) 2013-02-13 2017-03-28 Flop Girl, Llc Modular shoe with interchangeable components and method of attachment
US9486032B2 (en) * 2013-03-15 2016-11-08 Kimberly Morris Thill Shoes with interchangeable heels
US20140259777A1 (en) * 2013-03-15 2014-09-18 Kimberly Morris Thill Shoes with interchangeable heels
US20160183625A1 (en) * 2014-12-29 2016-06-30 Sayid Qamber Reza Rezvi Women's shoes that interchange from high heel form to flat form
WO2016179675A1 (en) * 2015-05-12 2016-11-17 Stiefelmann Roberto Women's shoe with detachable high heel, convertible into flat shoes, flat sandals and the like

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