US2946189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel systems of gas-turbine engines
Assignee: Rolls Royce PLC
•
Filing: 1955-06-30
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Granted: 1960-07-26
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Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Basford Kenneth Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:45
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/32; F02C9/263; F02C9/28; F05; F05D; F05D2270/00; F05D2270/30; F05D2270/301; F05D2270/3015; F05D2270/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2429005A
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US2697909A
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US2474033A
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US2808702A
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US2691382A
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US2809492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |