US2538582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pump control for gas turbine responsive to intake air pressure and temperature
Assignee: Rolls Royce PLC
•
Filing: 1948-04-30
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Granted: 1951-01-16
•
Expires: 1968-04-30
Abstract
No abstract record available.
Inventors
- 👤 Mordell Donald Louis
- 👤 Holliday John Bertram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB526998A
Cited
US2348113A
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US2447267A
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US2440663A
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US2422808A
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US2440566A
Cited
US2414617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |