US2902127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque transmitting fluid coupling
Assignee: Schwitzer Corp
•
Filing: 1956-06-04
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Granted: 1959-09-01
•
Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 James A Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:07
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F01P7/042; F16; F16D; F16D35/00; F16D35/02; F16D35/021; F01P5/00; F01P5/10; F01P5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR797993A
Cited
US2127738A
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US2706547A
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US2714946A
Cited
US2652816A
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US2629472A
Cited
US2637308A
Cited
US2792095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |