US2670600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air distribution system for flame tubes of gas turbine engines
Assignee: Bristol Aeroplane Co Ltd
•
Filing: 1948-06-15
•
Granted: 1954-03-02
•
Expires: 1968-06-15
Abstract
No abstract record available.
Inventors
- 👤 Owner Frank Morgan
- 👤 Marchant Francis Charles Ivor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:56
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848990A
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FR920036A
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US2614384A
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US2458497A
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US2614385A
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US2448561A
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US2547619A
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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) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |