US3054491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid actuated friction clutch
Assignee: Twin Disc Inc
•
Filing: 1959-01-19
•
Granted: 1962-09-18
•
Expires: 1979-01-19
Abstract
No abstract record available.
Inventors
- 👤 Bloch Peter
- 👤 James B Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:40
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US918652A
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US2386220A
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US2464538A
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US2540965A
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US2738864A
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US2833385A
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US2950629A
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US2922314A
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US2920732A
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US2868341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |