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US2741455A
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US
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Gas-turbine engines and nozzle-guidevane assemblies therefor
Assignee: Rolls Royce PLC
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Filing: 1951-06-12
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Granted: 1956-04-10
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Expires: 1971-06-12
Abstract
No abstract record available.
Inventors
- 👤 Hunter Philip Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:04
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/06; F01D9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE383506C
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GB190814746A
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GB359350A
Cited
US2436087A
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GB617472A
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US2488867A
Cited
US2488875A
Cited
US2606741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |