US3059878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary air intakes for jet engines adapted for vertical take-off
Assignee: Rolls Royce PLC
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Filing: 1959-09-21
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Granted: 1962-10-23
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Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Kerry Thomas Henry
- 👤 Ward Peter Arthur
- 👤 Taylor Maurice Ian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:48
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)
US2604278A
Cited
US2699906A
Cited
US2780424A
Cited
US2762584A
Cited
US2788184A
Cited
US2960281A
Cited
FR1201570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |