US3356367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ambulatory exercise device
Assignee: Individual
•
Filing: 1964-08-07
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Granted: 1967-12-05
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Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Robert L Tewksbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:04
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/0028; A63B69/0035; A63B23/00; A63B23/035; A63B23/04; A63B23/0405; A63B23/0458
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN AMBULATORY EXERCISE DEVICE COMPRISING A HOUSING ADAPTED TO SUPPORT THE WEIGHT OF A USER, A LOWER SURFACE ON THE HOUSING TO SUPPORT THE DEVICE STABLY ON A SUPPORTING SURFACE, AN UPPER SURFACE ON THE HOUSING HAVING AT LEAST A PORTION THEREOF INCLINED AT AN ANGLE TO THE LOWER SURFACE, A FLEXIBLE AND ELASTIC UNITARY COVERING ON THE HOUSING EXTENDING OVER ITS LOWER AND UPPER SURFACES AND ENGAGING THE SUPPORTING SURFACE BENEATH THE LOWER SURFACE OF SAID HOUSING, AND A LAYER OF ANTI-FRICTION MATERIAL BETWEEN THE COVERING AND HOUSING AND COEXTENSIVE THEREWITH TO FACILITATE SLIDING MOVEMENT OF THE COVERING WITH RESPECT TO THE HOUSING SURFACES TO ENABLE THE USER TO STAND ON THE COVERING OVER THE INCLINED SURFACE OF THE HOUSING AND CAUSE AMBULATION OF THE DEVICE.
Claim 2
Dependent Claim
127 words
AN AMBULATORY EXERCISE DEVICE COMPRISING A HOUSING ADAPTED TO SUPPORT THE WEIGHT OF A USER, A LOWER SURFACE ON THE HOUSING TO SUPPORT THE DEVICE STABLY ON A SUPPORTING SURFACE, AN UPPER SURFACE ON THE HOUSING HAVING AT LEAST A PORTION THEREOF INCLINED AT AN ANGLE TO THE LOWER SURFACE, A FLEXIBLE AND ELASTIC UNITARY COVERING ON THE HOUSING EXTENDING OVER ITS LOWER AND UPPER SURFACES AND ENGAGING THE SUPPORTING SURFACE BENEATH THE LOWER SURFACE OF SAID HOUSING, AND A LAYER OF ANTI-FRICTION MATERIAL BETWEEN THE COVERING AND HOUSING AND COEXTENSIVE THEREWITH TO FACILITATE SLIDING MOVEMENT OF THE COVERING WITH RESPECT TO THE HOUSING SURFACES TO ENABLE THE USER TO STAND ON THE COVERING OVER THE INCLINED SURFACE OF THE HOUSING AND CAUSE AMBULATION OF THE DEVICE.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |