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Patent US3022629A successfully refreshed from Google Patents.
US3022629A
Expired / Lapsed
US
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Exhaust nozzle control for a twin spool jet engine
Assignee: Rolls Royce PLC
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Filing: 1959-11-24
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Granted: 1962-02-27
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Expires: 1979-11-24
Abstract
No abstract record available.
Inventors
- 👤 Coliey Rowan Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:28
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/15; Y; Y10; Y10S; Y10S74/00; Y10S74/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2641324A
Cited
US2504018A
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US2699646A
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US2726507A
Cited
US2873576A
Cited
US2785848A
Cited
US2944387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |