Patent US2743578A successfully refreshed from Google Patents.
US2743578A
Expired / Lapsed
US
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Turbojet engine control system
Assignee: Bendix Aviation Corp
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Filing: 1950-11-24
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Granted: 1956-05-01
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Expires: 1970-11-24
Abstract
No abstract record available.
Inventors
- 👤 Edward J Hazen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:24
CPC Classifications
F; F02; F02K; F02K3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2350781A
Cited
US2336052A
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US2479813A
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US2644300A
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GB620161A
Cited
US2606420A
Cited
US2568127A
Cited
US2558592A
Cited
US2510753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |