Patent US2512853A successfully refreshed from Google Patents.
US2512853A
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Fluid drive with synchronizing clutch and control therefor
Assignee: Doosan Bobcat North America Inc
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Filing: 1946-02-04
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Granted: 1950-06-27
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Expires: 1966-02-04
Abstract
No abstract record available.
Inventors
- 👤 Ernest E Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:45
CPC Classifications
F; F16; F16D; F16D67/00; G; G05; G05G; G05G5/00; G05G5/06; G05G5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2076362A
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US2163895A
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US2319740A
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US2351485A
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US2349297A
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US2320116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |