US2656905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated friction clutch
Assignee: WESTERN GEAR WORKS
•
Filing: 1950-08-01
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Granted: 1953-10-27
•
Expires: 1970-08-01
Abstract
No abstract record available.
Inventors
- 👤 Robert S Langdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:30
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/06; F16D25/062; F16D25/063; F16D25/0635
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US715111A
Cited
US1759755A
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US2176468A
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US2317599A
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US2291241A
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US2376685A
Cited
US2354385A
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US2437670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |