US3024968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stator construction for multi-stage axial-flow compressor
Assignee: Rolls Royce PLC
•
Filing: 1956-10-08
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Granted: 1962-03-13
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Expires: 1976-10-08
Abstract
No abstract record available.
Inventors
- 👤 Payne Nigel Edward
- 👤 Sheldon Ernest Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:17
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB586564A
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US2510606A
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GB621544A
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GB622895A
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US2763462A
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US2722373A
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US2749026A
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GB741549A
Cited
US2833463A
Cited
US2959394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |