Patent US3979842A successfully refreshed from Google Patents.
US3979842A
Expired / Lapsed
US
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Athletic shoe exerciser
Assignee: Lawrence Peska Associates Inc
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Filing: 1975-12-23
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Granted: 1976-09-14
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Expires: 1995-12-23
Abstract
Abstract An athletic shoe exerciser having means for roller assisted human locomotion. The exerciser includes means for retaining the rollers when not in use inside the lower portion of the exerciser. The exerciser also includes removable soles for various athletic applications.
Inventors
- 👤 Genaro Texidor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:48
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/16; A43B5/1633; A63; A63C; A63C17/00; A63C17/008; A63C17/20
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
75 words
An athletic shoe exerciser comprising: a. an upper portion adapted to receive a foot; b. a lower portion affixed to the underside of said upper portion, said lower portion comprising a wall circumscribing the underside of said upper portion and forming a cavity; c. two pairs of rollers; and d. erecting means for each pairs of said rollers pivotally affixed to the underside of said upper portion and adapted to be received within said cavity.
Claim 2
Dependent Claim
75 words
An athletic shoe exerciser comprising: a. an upper portion adapted to receive a foot; b. a lower portion affixed to the underside of said upper portion, said lower portion comprising a wall circumscribing the underside of said upper portion and forming a cavity; c. two pairs of rollers; and d. erecting means for each pairs of said rollers pivotally affixed to the underside of said upper portion and adapted to be received within said cavity.
Claim 3
Dependent Claim
25 words
An athletic shoe exerciser according to claim 1, further including a removable sole attached to said lower portion adapted to conceal said pairs of rollers.
Claim 4
Dependent Claim
16 words
An athletic shoe exerciser according to claim 2, wherein said removable sole comprises a resilient material.
Claim 5
Dependent Claim
19 words
An athletic shoe exerciser according to claim 2, wherein said removable sole comprises a semi-resilient material fitted with cleats.
Claim 6
Dependent Claim
20 words
An athletic shoe exerciser according to claim 1, wherein said lower portion is constructed of a rigid light weight material.
Claim 7
Dependent Claim
18 words
An athletic shoe exerciser according to claim 1, wherein said erecting means provides at least two indexing positions.
Claim 8
Dependent Claim
22 words
An athletic shoe exerciser according to claim 6, wherein said erecting means includes a coil spring, a leaf spring, and a stop.
Claim 9
Dependent Claim
16 words
An athletic shoe exerciser according to claim 1, wherein said upper portion comprises a cloth material.
Claim 10
Dependent Claim
16 words
An athletic shoe exerciser according to claim 1, wherein said upper portion comprises a semi-rigid material.
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) | 1979-09-14 | 1980-03-15 | 1980-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-14 | 1984-03-15 | 1984-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-14 | 1988-03-15 | 1988-09-14 | $7700.00 | Window Closed / Lapsed |