Patent US26272A successfully refreshed from Google Patents.
US2982091A
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US
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Combustion control in ram jet aircraft engines
Assignee: Phillips Petroleum Co
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Filing: 1956-12-21
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Granted: 1961-05-02
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Expires: 1976-12-21
Abstract
No abstract record available.
Inventors
- 👤 Boisblanc Deslonde R De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:19
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/12; F23N5/123; F02; F02K; F02K7/00; F02K7/10; F02K7/16; F23N1/00; F23N1/02; F23N1/022; F23N2229/00; F23N2235/00; F23N2235/02; F23N2235/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2501633A
Cited
US2570629A
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US2540594A
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US2707372A
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US2557883A
Cited
US2538642A
Cited
US2771740A
Cited
US2742756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |