Patent US3140878A successfully refreshed from Google Patents.
US3140878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sled
Assignee: Individual
•
Filing: 1962-10-05
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Granted: 1964-07-14
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Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:11
CPC Classifications
B; B62; B62B; B62B15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A SNOW VEHICLE, COMPRISING A FLAT, ELONGATED SHEET, SAID SHEET BEING OF A FLEXIBLE, SUPPLE MATERIAL WHICH MAY BE EASILY ROLLED AND UNROLLED AND ADAPTED TO CONFORM TO THE CONTOUR OF THE SURFACE OVER WHICH IT IS MOVED, SAID SHEET HAVING A MULTIPLICITY OF LONGITUDINAL RIBS ON BOTH OF ITS SURFACES WHEREBY THE TENDENCY TO SIDEWISE SLIPPAGE FOR THE RIDER AND FOR THE VEHICLE DURING RIDING IS REDUCED, A STIFFENING BRACE OF FLEXIBLE, SUPPLE MATERIAL BOUND ACROSS AN END OF SAID SHEET MATERIAL, AND A ROPE ATTACHED TO SAID STIFFENED PORTION, SAID VEHICLE BEING FORMED EXCLUSIVE OF ANY RIGID PARTS OF A NATURE LIKELY TO CAUSE INJURY.
Claim 2
Dependent Claim
107 words
A SNOW VEHICLE, COMPRISING A FLAT, ELONGATED SHEET, SAID SHEET BEING OF A FLEXIBLE, SUPPLE MATERIAL WHICH MAY BE EASILY ROLLED AND UNROLLED AND ADAPTED TO CONFORM TO THE CONTOUR OF THE SURFACE OVER WHICH IT IS MOVED, SAID SHEET HAVING A MULTIPLICITY OF LONGITUDINAL RIBS ON BOTH OF ITS SURFACES WHEREBY THE TENDENCY TO SIDEWISE SLIPPAGE FOR THE RIDER AND FOR THE VEHICLE DURING RIDING IS REDUCED, A STIFFENING BRACE OF FLEXIBLE, SUPPLE MATERIAL BOUND ACROSS AN END OF SAID SHEET MATERIAL, AND A ROPE ATTACHED TO SAID STIFFENED PORTION, SAID VEHICLE BEING FORMED EXCLUSIVE OF ANY RIGID PARTS OF A NATURE LIKELY TO CAUSE INJURY.
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |