Patent US3013385A successfully refreshed from Google Patents.
US3013385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air intake for power plant of supersonic aircraft
Assignee: Rolls Royce PLC
•
Filing: 1958-09-15
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Granted: 1961-12-19
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Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 Kerry Thomas Henry
- 👤 Ward Peter Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:15
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2527732A
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US2509238A
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US2648192A
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US2625008A
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US2840322A
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GB747705A
Cited
US2861419A
Cited
US2788635A
Cited
US2848867A
Cited
US2853854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |