US2629569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means for aircraft power plant installations
Assignee: Rolls Royce PLC
•
Filing: 1948-06-14
•
Granted: 1953-02-24
•
Expires: 1968-06-14
Abstract
No abstract record available.
Inventors
- 👤 Andrews Walter Agnew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:08
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/15; Y; Y10; Y10S; Y10S60/00; Y10S60/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1418131A
Cited
US2279615A
Cited
US2272664A
Cited
US2342262A
Cited
US2387795A
Cited
US2411895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |