US2959394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stators of multi-stage axial flow compressors or turbines
Assignee: Bristol Siddeley Engines Ltd
•
Filing: 1953-12-11
•
Granted: 1960-11-08
•
Expires: 1973-12-11
Abstract
No abstract record available.
Inventors
- 👤 Halford Frank Bernard
- 👤 Clarke George Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:14
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/541; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042; F04D27/00; F04D27/02; F04D27/0207; F04D27/0215; F04D29/542; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB586562A
Cited
GB586564A
Cited
US2457833A
Cited
US2623728A
Cited
GB622895A
Cited
US2660413A
Cited
US2722373A
Cited
US2742224A
Cited
CH312374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |