US2932946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel system for gas turbine engine including hydraulically driven auxillary pump
Assignee: Rolls Royce PLC
•
Filing: 1953-05-04
•
Granted: 1960-04-19
•
Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Smedley Frederick Edwar Samuel
- 👤 Seymour Cyril Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:40
CPC Classifications
F; F02; F02K; F02K3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2263864A
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US2238502A
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US2502241A
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US2566373A
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GB614341A
Cited
US2520967A
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US2506611A
Cited
US2640316A
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US2720256A
Cited
US2679206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |