US2936969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet sustained and propelled aircraft
Assignee: Rolls Royce PLC
•
Filing: 1956-06-07
•
Granted: 1960-05-17
•
Expires: 1976-06-07
Abstract
No abstract record available.
Inventors
- 👤 Griffith Alan Arnold
- 👤 Shaw William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:06
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2381705A
Cited
US2389313A
Cited
US2502045A
Cited
US2567392A
Cited
US2712217A
Cited
US2755040A
Cited
US2736514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |