Patent US4468458A successfully refreshed from Google Patents.
Patent US3227399A successfully refreshed from Google Patents.
US3227399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety aircraft system
Assignee: Individual
•
Filing: 1963-09-16
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Granted: 1966-01-04
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Dastoli Joseph
- 👤 Dehnel William
- 👤 Leon J Halepas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:14
CPC Classifications
B; B64; B64C; B64C37/00; B64C37/02; B64C1/00; B64C1/06; B64C1/061; B64C1/062; B64C27/00; B64C27/04; B64C27/12; B64D; B64D17/00; B64D17/78
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
156 words
AN AIRCRAFT COMPRISING CARRIER UNIT HAVING A FUSELAGE, WING MEANS SECURED TO SAID FUSELAGE FOR SUPPORTING SAID CARRIER UNIT IN NORMAL FLIGHT, HIGH-SPEED JET-TYPE POWER PLANT MEANS LOCATED ON SAID CARRIER UNIT FOR PROPELLING SAID CARRIER UNIT IN FLIGHT, DETACHABLE COMPARTMENT MEANS, SAID COMPARTMENT MEANS BEING SUPPORTED BY AND RELEASABLY LOCKED TO SAID CARRIER UNIT, SAID CARRIER UNIT AND COMPARTMENT MEANS HAVING COMPLEMENTARY CONFIGURATIONS WHICH WHEN LOCKED TOGETHER FORM A SINGLE UNITARY STREAMLINED FUSELAGE FOR THE AIRCRAFT, MEANS FOR RELEASING SAID COMPARTMENT MEANS FROM SAID CARRIER UNIT, POWER MEANS CONNECTED TO SAID COMPARTMENT MEANS, AND MEANS DRIVEN BY SAID POWER MEANS FOR SUPPORTING SAID COMPARTMENT MEANS IN SUSTAINED CONTROLLED FLIGHT WHEN SAID COMPARTMENT MEANS IS RELEASED FROM SAID CARRIER UNIT, SAID MEANS DRIVEN BY SAID POWER MEANS COMPRISING A VARIABLE-PITCH HELICOPTER BLADE ARRANGEMENT MOVABLE FROM A LOW-SPEED VERTICAL-THRUST POSITION TO A HIGH-SPEED POSITION IN WHICH SAID BLADE ARRANGEMENT PRESENTS A MINIMUM AERODYNAMIC RESISTANCE TO HORIZONTAL FLIGHT.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |