Patent US3065740A successfully refreshed from Google Patents.
US3065740A
Expired / Lapsed
US
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Pump multiposition preset control
Assignee: Oilgear Co
•
Filing: 1959-10-16
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Granted: 1962-11-27
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Expires: 1979-10-16
Abstract
No abstract record available.
Inventors
- 👤 Wiedmann Ernst
- 👤 Richard E Davis
- 👤 Adolf R Grad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:44
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1854127A
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US1755595A
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US1969736A
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US2289203A
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US2263812A
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US2455090A
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US2636438A
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US2918908A
Cited
US2840045A
Cited
US2931177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |