US2765743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump control
Assignee: CONTROL Manufacturing Co
•
Filing: 1952-07-18
•
Granted: 1956-10-09
•
Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 William H Hollinshead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:56
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/28; H; H01; H01H; H01H35/00; H01H35/24; H01H35/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1682331A
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US1201660A
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US1253687A
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US1562561A
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US1513705A
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US1784205A
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US1837505A
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US1842295A
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US1929382A
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US2499040A
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US2623963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |