US2668585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel feed control for gas turbine engines
Assignee: OESTRICH
•
Filing: 1948-07-27
•
Granted: 1954-02-09
•
Expires: 1968-07-27
Abstract
No abstract record available.
Inventors
- 👤 Oestrich Hermann
- 👤 Stein Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:28
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2426740A
Cited
US2305070A
Cited
US2422808A
Cited
GB603884A
Cited
US2531780A
Cited
US2457595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |