US3224712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet engines and to aircraft provided with same
Assignee: Rolls Royce PLC
•
Filing: 1964-01-30
•
Granted: 1965-12-21
•
Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Taylor Maurice Ian
- 👤 Wilde Geoffrey Light
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:02
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0058; F; F02; F02C; F02C7/00; F02C7/04; F02C7/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN AIRCRAFT COMPRISING AN AIRCRAFT STRUCTURE HAVING ING AN EXTERNAL SKIN, A VERTICALLY EXTENDING HOUSING IN SAID AIRCRAFT STRUCTURE AND OPEN AT BOTH ENDS WITH THE UPPER END OF THE SAME BEING SUBSTANTIALLY FLUSH WITH THE EXTERNAL SKIN OF THE AIRCRAFT STRUCTURE, AT LEAST ONE VERTICAL LIFT JET ENGINE MOUNTED IN SAID HOUSING AND SPACED THEREFROM AT LEAST AT ITS UPPER END BY A SPACE, AND INFLATABLE AIR INTAKE MEMBER MOUNTED AT THE UPPER END OF SAID ENGINE, SAID AIR INTAKE MEMBER BEING ARRANGED WHEN INFLATED TO EXTEND OUTWARDLY OF THE EXTERNAL SKIN OF THE AIRCRAFT STRUCTURE AND WHEN DEFLATED TO BE STORED INWARDLY OF THE EXTERNAL SKIN OF THE AIRCRAFT STRUCTURE IN THE SPACE BETWEEN SAID ENGINE AND SAID HOUSING, AND MEANS FOR INFLATING AND DEFINING SAID AIR INTAKE MEMBER.
Claim 2
Dependent Claim
131 words
AN AIRCRAFT COMPRISING AN AIRCRAFT STRUCTURE HAVING ING AN EXTERNAL SKIN, A VERTICALLY EXTENDING HOUSING IN SAID AIRCRAFT STRUCTURE AND OPEN AT BOTH ENDS WITH THE UPPER END OF THE SAME BEING SUBSTANTIALLY FLUSH WITH THE EXTERNAL SKIN OF THE AIRCRAFT STRUCTURE, AT LEAST ONE VERTICAL LIFT JET ENGINE MOUNTED IN SAID HOUSING AND SPACED THEREFROM AT LEAST AT ITS UPPER END BY A SPACE, AND INFLATABLE AIR INTAKE MEMBER MOUNTED AT THE UPPER END OF SAID ENGINE, SAID AIR INTAKE MEMBER BEING ARRANGED WHEN INFLATED TO EXTEND OUTWARDLY OF THE EXTERNAL SKIN OF THE AIRCRAFT STRUCTURE AND WHEN DEFLATED TO BE STORED INWARDLY OF THE EXTERNAL SKIN OF THE AIRCRAFT STRUCTURE IN THE SPACE BETWEEN SAID ENGINE AND SAID HOUSING, AND MEANS FOR INFLATING AND DEFINING SAID AIR INTAKE MEMBER.
References Cited (Backward Citations)
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Cited
US2864236A
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US3054578A
Cited
US2997257A
Cited
US3074232A
Cited
US3129910A
Cited
US3130941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |