US2519624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel control system for aircraft gas-turbine power plants
Assignee: Rolls Royce PLC
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Filing: 1948-12-29
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Granted: 1950-08-22
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Expires: 1968-12-29
Abstract
No abstract record available.
Inventors
- 👤 Ballantyne David Havelock
- 👤 Jubb Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:26
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16; F02K; F02K3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |