US2941606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for facilitating attaching and detaching an earth working implement with respect to a tractor
Assignee: Case LLC
•
Filing: 1956-02-23
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Granted: 1960-06-21
•
Expires: 1976-02-23
Abstract
No abstract record available.
Inventors
- 👤 Roy A Gillette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:14
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/06; A01B35/00; A01B35/20; A01B35/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US946815A
Cited
US2272769A
Cited
US2423148A
Cited
US2626549A
Cited
US2584217A
Cited
US2560702A
Cited
US2777377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |