US2759583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated clutch
Assignee: Cleveland Crane and Engineering Co
•
Filing: 1952-11-06
•
Granted: 1956-08-21
•
Expires: 1972-11-06
Abstract
No abstract record available.
Inventors
- 👤 William E Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:44
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/06; Y; Y10; Y10S; Y10S277/00; Y10S277/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1835877A
Cited
US1943029A
Cited
US2169639A
Cited
US2240741A
Cited
GB564638A
Cited
US2402052A
Cited
US2577858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |