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US2764040A
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Combined hydrodynamical and multicompounded planetary gearing driven, internal fluidpressure actuated and controlled, dual flow type of variable reversible transmissioncoupler
Assignee: Individual
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Filing: 1953-08-31
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Granted: 1956-09-25
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Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Butler Frank David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:24
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/14; F; F16; F16H; F16H47/00; F16H47/06; F16H47/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2289991A
Cited
US2572310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |