Patent US2695500A successfully refreshed from Google Patents.
US2695500A
Expired / Lapsed
US
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Hydraulic vacuum power unit
Assignee: Bendix Aviation Corp
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Filing: 1949-06-18
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Granted: 1954-11-30
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Expires: 1969-06-18
Abstract
No abstract record available.
Inventors
- 👤 Earl R Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:49
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US761339A
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US1042849A
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US1491797A
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GB273237A
Cited
GB365717A
Cited
US2298314A
Cited
US2444181A
Cited
US2336374A
Cited
US2467517A
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US2477882A
Cited
US2463537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |