US3381470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel control system for a gas turbine engine
Assignee: ACF Industries Inc
•
Filing: 1966-01-17
•
Granted: 1968-05-07
•
Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Henry A Hammerstein
- 👤 George W Shepherd
- 👤 Charles K Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:50
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/32; F02C9/16; F02C9/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2796330A
Cited
US2796136A
Cited
US2648194A
Cited
US2805546A
Cited
US2764867A
Cited
US2851855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |