Patent US3143841A successfully refreshed from Google Patents.
US3143841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton pick-up tire
Assignee: Individual
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Filing: 1963-01-28
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Granted: 1964-08-11
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Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Kirtland William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:46
CPC Classifications
A; A01; A01D; A01D51/00; A01D46/00; A01D46/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PICK-UP TIRE TREAD CONSTRUCTION COMPRISING IN COMBINATION: (A) A TIRE CARCASS (B) A SERIES OF TREAD PROJECTIONS FORMED ON SAID CARCASS, (C) SMOOTH SOLID GROUND CONTACTING AND LOAD BEARING SURFACE FORMED ON THE OUTER ENDS OF SAID TREAD PROJECTIONS PROVIDING THE SOLE MEANS TO SUPPORT THE WEIGHT OF THE TOWING FRAME AND ASSOCIATED APPARATUS CARRIED BY THE FRAME, (D) TREAD CAVITY SURFACES FORMED BETWEEN SAID TREAD PROJECTIONS, (E) AND SNARING AND PICK-UP MATERIAL FEXEDLY ATTACHED TO AND PROJECTING FROM SAID TREAD CAVITY SURFACE AND LIMITED THERETO WITH THE OUTER ACTIVE PICK-UP SURFACE OF SAID PICK-UP MATERIAL RECESSED BELOW THE SURFACE OF ROAD CONTACT DEFINED BY SAID SMOOTH SOLID LOAD BEARING SURFACES.
Claim 2
Dependent Claim
112 words
A PICK-UP TIRE TREAD CONSTRUCTION COMPRISING IN COMBINATION: (A) A TIRE CARCASS (B) A SERIES OF TREAD PROJECTIONS FORMED ON SAID CARCASS, (C) SMOOTH SOLID GROUND CONTACTING AND LOAD BEARING SURFACE FORMED ON THE OUTER ENDS OF SAID TREAD PROJECTIONS PROVIDING THE SOLE MEANS TO SUPPORT THE WEIGHT OF THE TOWING FRAME AND ASSOCIATED APPARATUS CARRIED BY THE FRAME, (D) TREAD CAVITY SURFACES FORMED BETWEEN SAID TREAD PROJECTIONS, (E) AND SNARING AND PICK-UP MATERIAL FEXEDLY ATTACHED TO AND PROJECTING FROM SAID TREAD CAVITY SURFACE AND LIMITED THERETO WITH THE OUTER ACTIVE PICK-UP SURFACE OF SAID PICK-UP MATERIAL RECESSED BELOW THE SURFACE OF ROAD CONTACT DEFINED BY SAID SMOOTH SOLID LOAD BEARING SURFACES.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |