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US2630965A
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US
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Device for reducing or preventing ice formation on compressors of gas-turbine engines
Assignee: Rolls Royce PLC
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Filing: 1948-06-14
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Granted: 1953-03-10
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Expires: 1968-06-14
Abstract
No abstract record available.
Inventors
- 👤 Greatrex Ferdinand Basil
- 👤 Murray Frederick Reginald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:27
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1580834A
Cited
US2246673A
Cited
FR871408A
Cited
US2314058A
Cited
US2404275A
Cited
US2406473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |