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Patent US2769646A successfully refreshed from Google Patents.
US2769646A
Expired / Lapsed
US
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Tractor implement hitch having a positive locking latch
Assignee: Case LLC
•
Filing: 1953-01-26
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Granted: 1956-11-06
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Expires: 1973-01-26
Abstract
No abstract record available.
Inventors
- 👤 Gene L Omon
- 👤 Earl C Thayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:49
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/04; A; A01; A01B; A01B59/00; A01B59/002; A01B59/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1962804A
Cited
US1865786A
Cited
US1982874A
Cited
US2179955A
Cited
US2384185A
Cited
US2522791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |