US2586220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated clutch
Assignee: Transmission & Gear Co
•
Filing: 1948-03-27
•
Granted: 1952-02-19
•
Expires: 1968-03-27
Abstract
No abstract record available.
Inventors
- 👤 Gerst Chris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:15
CPC Classifications
F; F16; F16D; F16D21/00; F16D21/02; F16D21/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL41842C
Cited
US661070A
Cited
US918652A
Cited
GB465612A
Cited
US2234693A
Cited
US2492477A
Cited
US2399853A
Cited
US2437430A
Cited
US2464538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |