Patent US2690648A successfully refreshed from Google Patents.
US2690648A
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US
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Means for conducting the flow of liquid fuel for feeding burners of gas turbine engines
Assignee: Dowty Equipment Ltd
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Filing: 1952-07-01
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Granted: 1954-10-05
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Expires: 1972-07-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Pearce
- 👤 Alan G Hiscox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:13
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; F23R3/283; F02; F02C; F02C7/00; F02C7/22; F02C7/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2432359A
Cited
US2182797A
Cited
US2436815A
Cited
US2575264A
Cited
US2531922A
Cited
US2595566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |