US2984968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control of oxidizer and fuel turbopump system for a rocket engine
Assignee: North American Aviation Corp
•
Filing: 1953-06-22
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Granted: 1961-05-23
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Expires: 1973-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Hunter
- 👤 William W Mower
- 👤 George P Sutton
- 👤 James P Morris
- 👤 Johannes S Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:34
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/56; F02K9/563; F02K9/46; F02K9/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2229805A
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US2336052A
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US2397657A
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US2531761A
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US2536601A
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US2635425A
Cited
US2754655A
Cited
US2699037A
Cited
US2620628A
Cited
US2672731A
Cited
US2816417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |