US2939280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydro-pneumatic fuel control for turbine power plants
Assignee: RTX Corp
•
Filing: 1955-02-24
•
Granted: 1960-06-07
•
Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Farkas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2503048A
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US2667743A
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US2629982A
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US2691268A
Cited
US2705047A
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US2720752A
Cited
US2603063A
Cited
US2807138A
Cited
US2785848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |