Patent US2946190A successfully refreshed from Google Patents.
US2946190A
Expired / Lapsed
US
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Gas turbine engine fuel system and method
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1956-03-26
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Granted: 1960-07-26
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Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Marshall J Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:48
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02C7/236; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2674847A
Cited
US2774215A
Cited
US2781727A
Cited
US2739442A
Cited
US2763986A
Cited
US2835323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |