Patent US3213852A successfully refreshed from Google Patents.
US3213852A
Expired / Lapsed
US
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Exercising apparatus
Assignee: Individual
•
Filing: 1963-07-29
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Granted: 1965-10-26
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Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 Lawson J Zent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:50
CPC Classifications
A; A63; A63B; A63B22/00; A63B22/06; A63B22/0605; A61; A61H; A61H1/00; A61H1/02; A61H1/0214; A63B22/0002; A63B22/0005; A63B22/001; A63B22/0025; A63B2022/0038; A63B2022/0041
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
AN EXERCISING APPARATUS COMPRISING THE COMBINATION OF: (A) A SUPPORT FRAME HAVING A PORTION ADAPTED FOR SEATING A PERSON THEREON; (B) MEANS FOR MOUNTING A PAIR OF FOOT PEDALS AT THE BASE OF SAID FRAME; (C) MOTOR MEANS FOR EFFECTING ROTATION OF SAID FOOT PEDALS; (D) TRANSMISSION MEANS OPERATIVELY CONNECTED TO SAID MOTOR MEANS AND SAID FOOT PEDALS FOR PROVIDING DIFFERENTIAL ANGULAR MOVEMENT OF SAID FOOT PEDALS WHEREBY THE RELATIVE FOOT AND LEG POSITIONS ARE VERTED CONSTANTLY IN RELATIVE ANGULAR POSITIONS DURING THE RESPECTIVE ROTATIONAL MOVEMENT OF SAID PEDALS THEREBY EFFECTING EXERCISING MOVEMENTS AND CHANGE IN RELATIVE POSITIONS OF THE LEGS OF THE PERSON CONTACTING SAID PEDALS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |