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Patent US2885960A successfully refreshed from Google Patents.
US2885960A
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High pressure variable delivery rotary vane pump
Assignee: HYDROAIRE Inc
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Filing: 1955-11-29
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Granted: 1959-05-12
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Expires: 1975-11-29
Abstract
No abstract record available.
Inventors
- 👤 Desire J Deschamps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:47
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223; F04C14/226; F02; F02M; F02M59/00; F02M2700/00; F02M2700/13; F02M2700/1317
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1132413A
Cited
US1779757A
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US2142275A
Cited
US2322568A
Cited
US2600632A
Cited
US2612114A
Cited
US2708884A
Cited
US2691482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |