US2988882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft multi-engine power plant and fuel system therefor
Assignee: Rolls Royce PLC
•
Filing: 1955-03-07
•
Granted: 1961-06-20
•
Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Hollings John Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:23
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1824010A
Cited
US2612020A
Cited
US2517313A
Cited
US2706888A
Cited
US2669837A
Cited
US2617361A
Cited
US2768504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |