US3056541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable pitch guide blades
Assignee: Bristol Siddeley Engines Ltd
•
Filing: 1959-03-23
•
Granted: 1962-10-02
•
Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 Foweraker David Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:50
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/56; F04D29/563
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2393042A
Cited
US2388208A
Cited
US2435092A
Cited
US2857092A
Cited
US2793804A
Cited
US2858062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |