Patent US3544927A successfully refreshed from Google Patents.
Patent US3777374A successfully refreshed from Google Patents.
US3777374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pleasure shoe
Assignee: Individual
•
Filing: 1972-07-19
•
Granted: 1973-12-11
•
Expires: 1992-07-19
Abstract
Abstract A footwear device that makes walking or standing a pleasure by aiding in prevention of foot and leg fatigue by putting a ''''bounce'''' in every step; the device consisting of a compression spring unit that is fitted into each shoe heel and which includes a bottom base member and top base member that are spaced apart and parallel to each other, the base members being interconnected by an integral, resilient, compression coil spring therebetween and which absorbs the shock of walking and which cushions the underside of a person''s heel.
Inventors
- 👤 L Hendricks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:37
CPC Classifications
A; A43; A43B; A43B21/00; A43B21/24; A43B21/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
In a pleasure shoe the combination of a footwear shoe having a heel, and a fatigue arrestor installed in said heel, said fatigue arrestor comprising a spring mechanism, said spring mechanism comprising a top base member and a bottom base member with a compression coil spring therebetween, said coil spring being resiliently compressible under the weight of a person so to cushion his walking or standing, said coil spring comprising one full turn when used by a person where weight is not a factor to consider, and said coil spring comprising one and one-quarter turn when used by a person who weighs 200 or more pounds, said coil spring turn being of a generally square configuration with opposite sides of said square turn being parallel with said top and bottom bases, said top base enjoining a lower said parallel side while said bottom base enjoins a higher said parallel side.
Claim 2
Dependent Claim
150 words
In a pleasure shoe the combination of a footwear shoe having a heel, and a fatigue arrestor installed in said heel, said fatigue arrestor comprising a spring mechanism, said spring mechanism comprising a top base member and a bottom base member with a compression coil spring therebetween, said coil spring being resiliently compressible under the weight of a person so to cushion his walking or standing, said coil spring comprising one full turn when used by a person where weight is not a factor to consider, and said coil spring comprising one and one-quarter turn when used by a person who weighs 200 or more pounds, said coil spring turn being of a generally square configuration with opposite sides of said square turn being parallel with said top and bottom bases, said top base enjoining a lower said parallel side while said bottom base enjoins a higher said parallel side.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |