US2575229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine control system
Assignee: Wright Aeronautical Corp
•
Filing: 1946-09-28
•
Granted: 1951-11-13
•
Expires: 1966-09-28
Abstract
No abstract record available.
Inventors
- 👤 Moore Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1314175A
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US2280835A
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US2231292A
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US2292288A
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US2306953A
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US2219994A
Cited
GB578120A
Cited
US2404428A
Cited
US2457595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |