US3074716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming instructing machine and exerciser
Assignee: Individual
•
Filing: 1960-07-26
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Granted: 1963-01-22
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Expires: 1980-07-26
Abstract
No abstract record available.
Inventors
- 👤 Carl E Mitchel
- 👤 George F Mitchel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/10; A61; A61H; A61H1/00; A61H1/02; A61H1/0237; A61H1/0274
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
129 words
IN A DEVICE OF THE TYPE DESCRIBED, A FRAME, A BED ADJUSTABLY CARRIED BY THE FRAME FOR SUPPORTING AN OPERATOR IN A PRONE POSITION, A PAIR OF AXIALLY ALIGNED SHAFTS CARRIED BY SAID FRAME, A HAND OPERATED CRANK ARM SECURED TO EACH SHAFT AND EXTENDING RADIALLY THEREFROM FOR ROTATING SAID SHAFT, SAID SHAFTS ADAPTED TO BE INTERCONNECTED TO ACT IN UNISON, A PAIR OF LEG SUPPORTING LEVERS CARRIED BY SAID FRAME FOR PIVOTAL MOVEMENT ABOUT A HORIZONTAL AXIS, AND CLUTCH MEANS INTERPOSED BETWEEN SAID SHAFTS AND SAID LEVERS FOR CONNECTING AND DISCONNECTING SAID LEVERS TO SAID SHAFTS, SAID CLUTCH MEANS WHEN ENGAGED CAUSING SAID LEVERS TO SWING ABOUT THEIR AXIS UPON THE ROTATION OF SAID SHAFTS AND UPON DISENGAGEMENT ALLOWING SAID LEVERS TO BE MOVED INDEPENDENTLY OF SAID SHAFTS.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |