US2924425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerofoil-section bladed structures
Assignee: Bristol Aero Engines Ltd
•
Filing: 1954-01-29
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Granted: 1960-02-09
•
Expires: 1974-01-29
Abstract
No abstract record available.
Inventors
- 👤 Cutler William Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:30
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042; B; B23; B23P; B23P15/00; B23P15/006; F01D5/00; F01D5/12; F01D5/14; F01D5/18; F01D5/187; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1996155A
Cited
FR823442A
Cited
FR891422A
Cited
CH225221A
Cited
US2575558A
Cited
US2681788A
Cited
US2682515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |