US2609868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel supply control for gas turbines
Assignee: Dowty Equipment Ltd
•
Filing: 1947-08-04
•
Granted: 1952-09-09
•
Expires: 1967-08-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Carey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:59
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02C9/00; F02C9/16; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2802; Y10T137/2815; Y10T137/2822; Y10T137/2829
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US955852A
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US1446464A
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US1644167A
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US1749569A
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GB264998A
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US1936566A
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US1886975A
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US2198035A
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US2243655A
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US2252693A
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US2214552A
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GB489922A
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US2160324A
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US2314610A
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US2399685A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |