US2671634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable stator blade and shroud ring arrangement for axial flow turbines and compressors
Assignee: Rolls Royce PLC
•
Filing: 1950-06-30
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Granted: 1954-03-09
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Expires: 1970-06-30
Abstract
No abstract record available.
Inventors
- 👤 Morley Frederick Willia Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:25
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/56; F04D29/563; A; A01; A01N; A01N25/00; A01N25/08; A01N25/10; A01N25/18; C; C06; C06F; C06F5/00; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162; F01D9/00; F01D9/02; F01D9/04; F01D9/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1680737A
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DE579585C
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FR823441A
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US2472062A
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US2443263A
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FR970723A
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GB629770A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |