US2685334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel metering means for gas-turbine engine fuel systems
Assignee: Rolls Royce PLC
•
Filing: 1950-05-01
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Granted: 1954-08-03
•
Expires: 1970-05-01
Abstract
No abstract record available.
Inventors
- 👤 Davies David Omri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:53
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2536556A
Cited
US2534821A
Cited
US2503048A
Cited
US2474033A
Cited
GB618145A
Cited
US2524444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |