US4196903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jog-springs
Assignee: Individual
•
Filing: 1978-04-10
•
Granted: 1980-04-08
•
Expires: 1998-04-10
Abstract
Abstract A pair of appliances, one of which is attachable under each foot of a person, so that the wearer can bounce vertically while walking or jogging, each appliance including a pair of vertically spaced apart platforms shaped like a foot, a plurality of compression coil springs between the platforms, and an adjustable toe strap and heel strap secured to the top platform for securement to the foot.
Inventors
- 👤 Vito J. Illustrato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:13
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/18; A43B13/181; A43B13/184; A43B13/182; A63; A63B; A63B25/00; A63B25/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A pair of jog-springs, each one of which comprises in combination, an upper and a lower platform in spaced apart relation, a plurality of compression coil springs between said platforms, and a toe strap and heel strap secured to said upper platform for attachment of said jog-spring to a foot of a wearer, said platforms being made of a semi-flexible material, said compression coil springs being secured at each opposite ends to said platforms by a dished, steel plate that encloses and holds an endmost turn of said spring against a spring surface of said platform, said plate having a peripheral notch through which said coil spring extends from behind said dished plate, and said plate being affixed to said platform by a single, central rivet, wherein a downward, transverse notch is provided on the upper side of said upper platform at the approximate location of the wearer's foot in order to provide flexing of said upper platform into the arch of the wearer's foot or shoe.
Claim 2
Dependent Claim
167 words
A pair of jog-springs, each one of which comprises in combination, an upper and a lower platform in spaced apart relation, a plurality of compression coil springs between said platforms, and a toe strap and heel strap secured to said upper platform for attachment of said jog-spring to a foot of a wearer, said platforms being made of a semi-flexible material, said compression coil springs being secured at each opposite ends to said platforms by a dished, steel plate that encloses and holds an endmost turn of said spring against a spring surface of said platform, said plate having a peripheral notch through which said coil spring extends from behind said dished plate, and said plate being affixed to said platform by a single, central rivet, wherein a downward, transverse notch is provided on the upper side of said upper platform at the approximate location of the wearer's foot in order to provide flexing of said upper platform into the arch of the wearer's foot or shoe.
References Cited (Backward Citations)
US1513338A
Cited
DE413363C
Cited
US1679046A
Cited
GB466357A
Cited
US2494094A
Cited
FR946494A
Cited
CH466770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-08 | 1983-10-08 | 1984-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-08 | 1987-10-08 | 1988-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-08 | 1991-10-08 | 1992-04-08 | $7700.00 | Window Closed / Lapsed |