Patent US3232679A successfully refreshed from Google Patents.
US3232679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless tractor track
Assignee: Individual
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Filing: 1965-02-19
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Granted: 1966-02-01
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Expires: 1985-02-19
Abstract
No abstract record available.
Inventors
- 👤 Katzenberger Clarence George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:22
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN ENDLESS TRACK FOR A VEHICLE HAVING FORWARD AND REAR TIRES, COMPRISING: (A) A PLURALITY OF CLEATS HELD IN SPACED RELATION ON PARALLEL ENDLESS CABLES, EACH CLEAT HAVING A UNITARY BODY PORTION COMPRISING A LOWER GROUND-ENGAGING SURFACE AND AN UPPER TIRE-ENGAGING SURFACE, SAID UPPER AND LOWER SURFACES BEING TRANSVERSELY ARCUATELY CURVED, (B) WING PORTIONS EXTENDING LATERALLY BEYOND THE OPPOSITE SIDES OF SAID BODY PORTION, (C) INTEGRAL CABLE HOLDERS SECURED TO SAID CLEATS ON THE UPPER SIDE THEREOF TO SAID WING PORTIONS EACH HAVING A TUBULAR OPENING THROUGH WHICH SAID CABLES ARE EXTENDED,
Claim 2
Dependent Claim
92 words
AN ENDLESS TRACK FOR A VEHICLE HAVING FORWARD AND REAR TIRES, COMPRISING: (A) A PLURALITY OF CLEATS HELD IN SPACED RELATION ON PARALLEL ENDLESS CABLES, EACH CLEAT HAVING A UNITARY BODY PORTION COMPRISING A LOWER GROUND-ENGAGING SURFACE AND AN UPPER TIRE-ENGAGING SURFACE, SAID UPPER AND LOWER SURFACES BEING TRANSVERSELY ARCUATELY CURVED, (B) WING PORTIONS EXTENDING LATERALLY BEYOND THE OPPOSITE SIDES OF SAID BODY PORTION, (C) INTEGRAL CABLE HOLDERS SECURED TO SAID CLEATS ON THE UPPER SIDE THEREOF TO SAID WING PORTIONS EACH HAVING A TUBULAR OPENING THROUGH WHICH SAID CABLES ARE EXTENDED,
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |