Patent US2949007A successfully refreshed from Google Patents.
US2949007A
Expired / Lapsed
US
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Rocket engine feed system
Assignee: North American Aviation Corp
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Filing: 1955-02-24
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Granted: 1960-08-16
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Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 David E Aldrich
- 👤 Andre P Bignon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:07
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/68; F02K9/44; F02K9/46; F02K9/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |