Patent US2692479A successfully refreshed from Google Patents.
US2692479A
Expired / Lapsed
US
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Combustion apparatus for gas turbine plants using slow-burning fuel
Assignee: Power Jets Research and Development Ltd
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Filing: 1951-10-10
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Granted: 1954-10-26
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Expires: 1971-10-10
Abstract
No abstract record available.
Inventors
- 👤 Lloyd Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:54
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/58; F23R5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |