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US3381498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque transmitting drive
Assignee: CHAR LYNN CO
•
Filing: 1966-05-18
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Granted: 1968-05-07
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Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Hugh L Mcdermott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:35
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; F16D3/221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1220483A
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US1463306A
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US1450805A
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US1936574A
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US2147491A
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US2375030A
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US2902844A
Cited
FR1342906A
Cited
US3309999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |