US2743656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crank unit for automatic adjustment of implements
Assignee: Individual
•
Filing: 1952-11-03
•
Granted: 1956-05-01
•
Expires: 1972-11-03
Abstract
No abstract record available.
Inventors
- 👤 Frank M Fraga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:38
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/06; A01B59/066; A01B63/00; A01B63/02; A01B63/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1916945A
Cited
US2141819A
Cited
US2347898A
Cited
GB549780A
Cited
GB556793A
Cited
US2379225A
Cited
US2530656A
Cited
US2601640A
Cited
US2653531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |