Patent US3101944A successfully refreshed from Google Patents.
US3101944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exercise apparatus
Assignee: Individual
•
Filing: 1961-03-02
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Granted: 1963-08-27
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Expires: 1981-03-02
Abstract
No abstract record available.
Inventors
- 👤 Cencig John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:29
CPC Classifications
A; A63; A63B; A63B23/00; A63B21/00; A63B21/012; A63B21/00047; A63B2208/00; A63B2208/02; A63B2208/0214; A63B2208/0219; A63B2210/00; A63B2210/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
EXERCISE APPARATUS COMPRISING; MEANS PROVIDING A SUBSTANTIALLY HORIZONTAL FIRST SLIDE SURFACE; AND A SLIDE MEMBER HAVING A SECOND SLIDE SURFACE FOR FRICTIONAL MOVABLE ENGAGEMENT WITH SAID FIRST SLIDE SURFACE, SAID SLIDE SURFACES HAVING PRESELECTED COEFFICIENTS OF FRICTION PERMITTING MOVEMENT THEREBETWEEN BY A PERSON GRASPING SAID MEMBER WHILE KNEELING ON SAID FIRST SURFACE AND MOVING SAID MEMBER SELECTIVELY TOWARD AND AWAY FROM HIMSELF, SAID MOVEMENT REQUIRING A SUBSTANTIAL FORCE WHEREBY THE PERSON SUBSTANTIALLY EXERCISES A LARGE NUMBER OF MUSCLES INCLUDING BACK,CHEST,STOMACH,SHOULDER AND ARM MUSCLES.
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |