US4251932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot cushioning device
Assignee: Individual
•
Filing: 1979-07-05
•
Granted: 1981-02-24
•
Expires: 1999-07-05
Abstract
Abstract A first sheet of rubber adapted to be put under a shoe and secured in place over the top of the shoe has a sole portion made up of the first sheet of rubber, a layer of foam rubber and an inner layer of sheet rubber sewn to the first sheet to enclose the foam rubber. The device provides cushioning comfort for the feet of the wearer while standing, walking or running on hard surfaces.
Inventors
- 👤 Flossie M. Love
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:24
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
114 words
A cushioning device to be applied over footwear, comprising: a first sheet of sheet rubber material of a size and configuration to cover at least the sole portion of a shoe and having side portions adapted to be joined over at least side portions of the shoe; that portion of said device arranged to underlie the sole of the shoe being of laminar construction wherein said first sheet of rubber material constituting an outer layer, an inner layer of compressed sheet rubber material over the central portion of said outer layer and secured at its edges to said first sheet to define a pocket therebetween, and a layer of foam rubber in said pocket.
Claim 2
Dependent Claim
114 words
A cushioning device to be applied over footwear, comprising: a first sheet of sheet rubber material of a size and configuration to cover at least the sole portion of a shoe and having side portions adapted to be joined over at least side portions of the shoe; that portion of said device arranged to underlie the sole of the shoe being of laminar construction wherein said first sheet of rubber material constituting an outer layer, an inner layer of compressed sheet rubber material over the central portion of said outer layer and secured at its edges to said first sheet to define a pocket therebetween, and a layer of foam rubber in said pocket.
Claim 3
Dependent Claim
62 words
A cushioning device as defined in claim 1 wherein said portion of laminar construction is configured to underlie the entire shoe, including the sole portion and the heel portion; said first sheet extending rearwardly from said laminar portion to be folded upwardly over the rear portion of the shoe; and means for securing said rearwardly extending portion in its upwardly folded position.
Claim 4
Dependent Claim
34 words
A cushioning device as defined in claim 2 wherein said last-named means comprises a flexible filament extending from opposite sides of said rearwardly extending portion and adapted to be secured to said side portions.
References Cited (Backward Citations)
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Cited
US2502774A
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US3027658A
Cited
US3057085A
Cited
US3699672A
Cited
US3914882A
Cited
US4069601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-24 | 1984-08-25 | 1985-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-24 | 1988-08-25 | 1989-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-24 | 1992-08-25 | 1993-02-24 | $7700.00 | Window Closed / Lapsed |