Patent US2774436A successfully refreshed from Google Patents.
US2774436A
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Hydraulic drive for industrial trucks and combined engine and pump control therefor
Assignee: Oilgear Co
•
Filing: 1951-09-28
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Granted: 1956-12-18
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Expires: 1971-09-28
Abstract
No abstract record available.
Inventors
- 👤 Ferris Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:59
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H61/437; B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/07572; F16H61/427; F16H61/44; F16H61/456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2257108A
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US2246018A
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US2393324A
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US2588866A
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US2478481A
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US2507357A
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US2547578A
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US2516662A
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US2694288A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |