US3285175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle for launching rocket propelled vehicles
Assignee: Rolls Royce PLC
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Filing: 1964-11-30
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Granted: 1966-11-15
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Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Keenan John Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:29
CPC Classifications
B; B64; B64G; B64G5/00; F; F02; F02K; F02K9/00; F02K9/74; F02K9/78; F42; F42B; F42B15/00; F42B15/36; F42B17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A WINGLESS VEHICLE FOR SUBSTANTIALLY VERTICAL FLIGHT COMPRISING: AN ANNULAR SHAPED BODY MEMBER HAVING AN OUTER WALL AND AN INNER WALL SPACED FROM EACH OTHER BY AN ANNULUS, THE ANNULUS DEFINING A ANNULAR AIR DUCT WITH AN INTAKE AT ONE END THEREOF AND A PROPULSION NOZZLE AT THE OTHER END THEREOF; A PLURALITY OF THRUST-PRODUCING ENGINES POSITIONED WITHIN SAID ANNULAR AIR DUCT; A CENTER BODY MEMBER; A PLURALITY OF STRUTS SUPPORTING SAID CENTER BODY MEMBER ON THE AXIS OF SAID ANNULAR BODY MEMBER IN SPACED RELATIONSHIP TO THE INNER WALL OF THE ANNULAR BODY MEMBER THEREBY DEFINING AN ANNULAR RAM AIR DUCT HAVING AN INTAKE AT ONE END THEREOF AND A PROPULSION NOZZLE AT THE OTHER END THEREOF; AND
Claim 2
Dependent Claim
119 words
A WINGLESS VEHICLE FOR SUBSTANTIALLY VERTICAL FLIGHT COMPRISING: AN ANNULAR SHAPED BODY MEMBER HAVING AN OUTER WALL AND AN INNER WALL SPACED FROM EACH OTHER BY AN ANNULUS, THE ANNULUS DEFINING A ANNULAR AIR DUCT WITH AN INTAKE AT ONE END THEREOF AND A PROPULSION NOZZLE AT THE OTHER END THEREOF; A PLURALITY OF THRUST-PRODUCING ENGINES POSITIONED WITHIN SAID ANNULAR AIR DUCT; A CENTER BODY MEMBER; A PLURALITY OF STRUTS SUPPORTING SAID CENTER BODY MEMBER ON THE AXIS OF SAID ANNULAR BODY MEMBER IN SPACED RELATIONSHIP TO THE INNER WALL OF THE ANNULAR BODY MEMBER THEREBY DEFINING AN ANNULAR RAM AIR DUCT HAVING AN INTAKE AT ONE END THEREOF AND A PROPULSION NOZZLE AT THE OTHER END THEREOF; AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |