Patent US2618463A successfully refreshed from Google Patents.
US2618463A
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US
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Multistage axial compressor and turbine
Assignee: Rolls Royce PLC
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Filing: 1948-02-13
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Granted: 1952-11-18
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Expires: 1968-02-13
Abstract
No abstract record available.
Inventors
- 👤 Lombard Adrian Albert
- 👤 Vincent Kenneth Ivor Clifford
- 👤 Morley Frederick Willia Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:39
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; F01D5/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1440209A
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US1886414A
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US1873956A
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US2213940A
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US2356605A
Cited
US2461242A
Cited
US2452782A
Cited
US2497151A
Cited
US2579745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |