Patent US2581275A successfully refreshed from Google Patents.
US2581275A
Expired / Lapsed
US
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Fuel feed responsive to air pressure and temperature, fuel flow, and speed for gas turbines
Assignee: Bendix Aviation Corp
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Filing: 1944-10-09
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Granted: 1952-01-01
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Expires: 1964-10-09
Abstract
No abstract record available.
Inventors
- 👤 Frank C Mock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:11
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US940813A
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US1822047A
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GB429682A
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US2223381A
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US2305311A
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US2345402A
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US2263705A
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US2353929A
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GB560196A
Cited
US2374844A
Cited
US2422808A
Cited
US2368179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |