US2771976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed responsive fluid clutch
Assignee: Borg Warner Corp
•
Filing: 1955-03-10
•
Granted: 1956-11-27
•
Expires: 1975-03-10
Abstract
No abstract record available.
Inventors
- 👤 Richard L Smirl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:00
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/12; F16D25/123; F16D43/00; F16D43/28; F16D43/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US794899A
Cited
US1934850A
Cited
US2163202A
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US2314554A
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US2498123A
Cited
US2505450A
Cited
US2663393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |