Patent US2924940A successfully refreshed from Google Patents.
US2924940A
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US
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Pump control system
Assignee: Motors Liquidation Co
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Filing: 1956-11-19
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Granted: 1960-02-16
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Calvin C Covert
- 👤 Dale W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:40
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/042; F15B11/0426; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; F15B2211/20576; F15B2211/25; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/30525; F15B2211/3053; F15B2211/30535; F15B2211/31; F15B2211/3105; F15B2211/3111; F15B2211/32; F15B2211/327; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/42; F15B2211/428; F15B2211/45; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50536; F15B2211/52; F15B2211/528; F15B2211/57; F15B2211/60; F15B2211/605; F15B2211/6051; F15B2211/6054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2420052A
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US2536486A
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US2545684A
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US2665637A
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US2507671A
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US2568356A
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US2611319A
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US2545856A
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US2617361A
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US2762305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |