US3091925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine fuel control with plural sleeve valves
Assignee: Rolls Royce PLC
•
Filing: 1958-07-22
•
Granted: 1963-06-04
•
Expires: 1978-07-22
Abstract
No abstract record available.
Inventors
- 👤 May Gordon Cyril
- 👤 Morley Charles Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:59
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16; F02C9/26; F02C9/32; Y; Y10; Y10T; Y10T137/00; Y10T137/6198; Y10T137/6253; Y10T137/8593; Y10T137/86493; Y10T137/86509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB646780A
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US2593536A
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US2668416A
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US2670599A
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US2714803A
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US2836957A
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GB716254A
Cited
US2861420A
Cited
US2934898A
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US2858700A
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US2950596A
Cited
GB771841A
Cited
US2856754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |