US3022628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet engine automatic thrust control
Assignee: Chandler Evans Inc
•
Filing: 1954-08-24
•
Granted: 1962-02-27
•
Expires: 1974-08-24
Abstract
No abstract record available.
Inventors
- 👤 Augustin M Prentiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:44
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR779655A
Cited
US2306953A
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FR50033E
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GB578311A
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US2544134A
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US2404428A
Cited
US2537772A
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US2580962A
Cited
US2644513A
Cited
US2566319A
Cited
US2466908A
Cited
US2457595A
Cited
US2540594A
Cited
US2853851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |