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US2670599A
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Fuel system for gas-turbine engines
Assignee: Rolls Royce PLC
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Filing: 1949-10-20
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Granted: 1954-03-02
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Expires: 1969-10-20
Abstract
No abstract record available.
Inventors
- 👤 Davies Kenneth Roy
- 👤 Herbstritt Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02K; F02K3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB429682A
Cited
US2432177A
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GB560196A
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US2422808A
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US2369397A
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US2581275A
Cited
US2489586A
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US2481334A
Cited
US2474033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |