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Patent US2895759A successfully refreshed from Google Patents.
US2895759A
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Seal
Assignee: North American Aviation Corp
•
Filing: 1955-02-17
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Granted: 1959-07-21
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Expires: 1975-02-17
Abstract
No abstract record available.
Inventors
- 👤 Harold L Conrad
- 👤 Jr John E Vanderbur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:19
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1533490A
Cited
US2144082A
Cited
FR844748A
Cited
US2459720A
Cited
US2484693A
Cited
FR993123A
Cited
US2686747A
Cited
US2717025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |