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US2813394A
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Pump arrangements for gas-turbine engine fuel systems
Assignee: Rolls Royce PLC
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Filing: 1953-10-26
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Granted: 1957-11-19
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Expires: 1973-10-26
Abstract
No abstract record available.
Inventors
- 👤 Ballantyne David Havelock
- 👤 Davies David Omri
- 👤 Bowns Desmond Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:55
CPC Classifications
F; F02; F02K; F02K3/00; F02K3/08; F02K3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2612020A
Cited
US2520967A
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US2506611A
Cited
US2658330A
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US2551229A
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US2640316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |