Patent US4026046A successfully refreshed from Google Patents.
US4026046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dancing slipper with self-molding toe insert
Assignee: Individual
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Filing: 1976-07-29
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Granted: 1977-05-31
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Expires: 1996-07-29
Abstract
Abstract A dancing slipper which is made of a relatively rigid skeleton frame having an opening in the toe portion thereof and provided with a moldable insert member which is pliable and soft when mildly heated to a predetermined temperature so as to conform to the toe configuration of the wearer or ballerina or person using this shoe and which insert may be readily removable for replacement and for remolding purposes.
Inventors
- 👤 Ann V. Clark
- 👤 Frank A. Cannavo
- 👤 Donald L. Cannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:25
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/081; A43B23/086; A43B23/087; A43B5/00; A43B5/12
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
84 words
The method of making a dancing slipper with a removable toe insert comprising molding the main body portion from thermoplastic material to provide an opening in the toe portion thereof, and molding a toe insert member to fit in said opening, said toe insert being molded to conform to the configuration of a person's toes, said toe insert member being molded of plastic material that is readily deformable when heated in boiling water for reshaping to conform to the toe configuration of a wearer.
Claim 2
Independent Claim
84 words
The method of making a dancing slipper with a removable toe insert comprising molding the main body portion from thermoplastic material to provide an opening in the toe portion thereof, and molding a toe insert member to fit in said opening, said toe insert being molded to conform to the configuration of a person's toes, said toe insert member being molded of plastic material that is readily deformable when heated in boiling water for reshaping to conform to the toe configuration of a wearer.
Claim 3
Dependent Claim
16 words
The method of claim 1 wherein said toe insert is made of ethane vinyl acetate material.
Claim 4
Dependent Claim
43 words
The method of claim 1 where said toe insert is molded as a cup shaped member with a toe cavity having relatively flat deep bottom portion on one side with a contiguous portion tapering upwardly to the top edge of the toe insert.
Claim 5
Dependent Claim
17 words
The method of claim 3 wherein said body portion is molded of polyvinylchloride and polyethylene plastic material.
Claim 6
Dependent Claim
53 words
A dancing slipper comprising a main skeleton body portion with a top opening to receive a foot therethrough, said shoe having an opening across the front thereof to receive the toes of the wearer, and a detachably connected toe receiving insert disposed in said body portion and projecting outwardly of said front opening.
Claim 7
Dependent Claim
53 words
A dancing slipper comprising a main skeleton body portion with a top opening to receive a foot therethrough, said shoe having an opening across the front thereof to receive the toes of the wearer, and a detachably connected toe receiving insert disposed in said body portion and projecting outwardly of said front opening.
Claim 8
Dependent Claim
24 words
The slipper of claim 5 where said front portion of said body portion is reinforced with an inner skeleton molded to said body portion.
Claim 9
Dependent Claim
26 words
The slipper of claim 6 wherein said insert is a cup shaped member conforming to the inner surface of said body portion and in contact therewith.
Claim 10
Dependent Claim
20 words
The slipper of claim 7 wherein said insert is made of a plastic material deformable when placed in boiling water.
Claim 11
Dependent Claim
40 words
The slipper of claim 8 wherein said insert has a toe cavity substantially flat deep bottom on one side and gradually tapering upwardly therefrom to provide a cavity for contact with all the toes of a person wearing said slipper.
Claim 12
Dependent Claim
29 words
The slipper of claim 9 wherein said insert is made of ethane vinyl acetate and said body and skeleton is made of polyvinyl chloride and polyethylene plastic material respectively.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |