Patent US3135202A successfully refreshed from Google Patents.
US3135202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means for annular wing aircraft
Assignee: Lockheed Martin Corp
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Filing: 1959-11-18
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Granted: 1964-06-02
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Expires: 1979-11-18
Abstract
No abstract record available.
Inventors
- 👤 Werner E Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:09
CPC Classifications
B; B64; B64C; B64C39/00; B64C39/06; B64C39/062; B64U; B64U30/00; B64U30/10; B64U2201/00; B64U2201/20; B64U50/00; B64U50/10; B64U50/13; B64U50/14; B64U50/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN AIRCRAFT HAVING A CENTRAL AXIS AND A MAIN BODY, CANTED VANES EXTENDING RADIALLY FROM SAID MAIN BODY AND AN ANNULAR WING MOUNTED ON SAID VANES HAVING ITS AXIS COINCIDENTAL WITH SAID CENTRAL AXIS, A PENDULUM BODY MOUNTED FOR RELATIVE ROTATION WITH SAID MAIN BODY ABOUT SAID CENTRAL AXIS, SAID PENDULUM BODY HAVING ITS CENTER OF GRAVITY BELOW SAID CENTRAL AXIS, A VERTICAL FIN ON SAID PENDULUM BODY FOR MAINTAINING SAID PENDULUM BODY VERTICAL DURING ALL PHASES OF FLIGHT, VERTICAL CONTROL SURFACES ON SAID PENDULUM BODY MOVABLE ABOUT AN AXIS VERTICAL TO SAID CENTRAL AXIS, HORIZONTAL CONTROL SURFACES ON SAID PENDULUM BODY MOVABLE ABOUT A HORIZONTAL AXIS PERPENDICULAR TO THE CENTRAL AXIS OF SAID AIRCRAFT AND MEANS TO CAUSE MOVEMENT OF SAID CONTROL SURFACES ABOUT SAID VERTICAL AND HORIZONTAL AXES IN RESPONSE TO DEVIATIONS FROM ALTITUDE AND COURSE.
Claim 2
Dependent Claim
138 words
AN AIRCRAFT HAVING A CENTRAL AXIS AND A MAIN BODY, CANTED VANES EXTENDING RADIALLY FROM SAID MAIN BODY AND AN ANNULAR WING MOUNTED ON SAID VANES HAVING ITS AXIS COINCIDENTAL WITH SAID CENTRAL AXIS, A PENDULUM BODY MOUNTED FOR RELATIVE ROTATION WITH SAID MAIN BODY ABOUT SAID CENTRAL AXIS, SAID PENDULUM BODY HAVING ITS CENTER OF GRAVITY BELOW SAID CENTRAL AXIS, A VERTICAL FIN ON SAID PENDULUM BODY FOR MAINTAINING SAID PENDULUM BODY VERTICAL DURING ALL PHASES OF FLIGHT, VERTICAL CONTROL SURFACES ON SAID PENDULUM BODY MOVABLE ABOUT AN AXIS VERTICAL TO SAID CENTRAL AXIS, HORIZONTAL CONTROL SURFACES ON SAID PENDULUM BODY MOVABLE ABOUT A HORIZONTAL AXIS PERPENDICULAR TO THE CENTRAL AXIS OF SAID AIRCRAFT AND MEANS TO CAUSE MOVEMENT OF SAID CONTROL SURFACES ABOUT SAID VERTICAL AND HORIZONTAL AXES IN RESPONSE TO DEVIATIONS FROM ALTITUDE AND COURSE.
References Cited (Backward Citations)
DE726969C
Cited
US2874920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |