US2852183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary multi-vane positive displacement pump
Assignee: Bendix Aviation Corp
•
Filing: 1955-08-02
•
Granted: 1958-09-16
•
Expires: 1975-08-02
Abstract
No abstract record available.
Inventors
- 👤 Edward C Breinig
- 👤 Edward V Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:55
CPC Classifications
F; F04; F04C; F04C18/00; F04C18/30; F04C18/34; F04C18/344; F04C18/3441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE310980C
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FR555113A
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US1722616A
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US1651336A
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FR919280A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |