Patent US2941480A successfully refreshed from Google Patents.
US2941480A
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US
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Control for variable displacement pump
Assignee: Sundstrand Corp
•
Filing: 1953-08-20
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Granted: 1960-06-21
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Expires: 1973-08-20
Abstract
No abstract record available.
Inventors
- 👤 Carl L Sadler
- 👤 Frederic T Fariss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:03
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/26; F04B1/30; F04B1/32; F04B1/324; F04B49/00; F04B49/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2026776A
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US2093690A
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US2403913A
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US2299234A
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US2502546A
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US2712300A
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US2727525A
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US2669935A
Cited
US2731569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |