US3096952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical take off aircraft
Assignee: Individual
•
Filing: 1961-04-19
•
Granted: 1963-07-09
•
Expires: 1981-04-19
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Roppel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:28
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0075; B64C29/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN AIRCRAFT COMPRISING A FUSELAGE, WING SEMISPANS PROJECTING OUTWARDLY FROM EACH SIDE OF THE FUSELAGE, PROPULSION MEANS PIVOTALLY CONNECTED TO EACH SEMISPAN BY UNIVERSAL JOINT MEANS, POWER MEANS CONNECTED TO THE PROPULSION MEANS FOR TILTING THE PROPULSION MEANS IN ANY DIRECTION ABOUT SAID UNIVERSAL JOINT MEANS WITH RESPECT TO SAID SEMISPANS FOR CONTROLLING THE AIRCRAFT, SAID PROPULSION MEANS COMPRISING JET ENGINES PIVOTALLY CONNECTED TO THE TIPS OF SAID SEMISPANS, SAID JET ENGINES EACH HAVING ITS INTAKE PROVIDED WITH A PAIR OF POWER OPERATED CLAMSHELLS WHERE THE INTAKE MAY BE SELECTIVELY CLOSED AND STREAMLINED BY SAID CLAMSHELLS.
Claim 2
Dependent Claim
96 words
AN AIRCRAFT COMPRISING A FUSELAGE, WING SEMISPANS PROJECTING OUTWARDLY FROM EACH SIDE OF THE FUSELAGE, PROPULSION MEANS PIVOTALLY CONNECTED TO EACH SEMISPAN BY UNIVERSAL JOINT MEANS, POWER MEANS CONNECTED TO THE PROPULSION MEANS FOR TILTING THE PROPULSION MEANS IN ANY DIRECTION ABOUT SAID UNIVERSAL JOINT MEANS WITH RESPECT TO SAID SEMISPANS FOR CONTROLLING THE AIRCRAFT, SAID PROPULSION MEANS COMPRISING JET ENGINES PIVOTALLY CONNECTED TO THE TIPS OF SAID SEMISPANS, SAID JET ENGINES EACH HAVING ITS INTAKE PROVIDED WITH A PAIR OF POWER OPERATED CLAMSHELLS WHERE THE INTAKE MAY BE SELECTIVELY CLOSED AND STREAMLINED BY SAID CLAMSHELLS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |