US3588273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Honeywell Inc
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Filing: 1969-03-19
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Granted: 1971-06-28
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Expires: 1989-03-19
Abstract
Abstract A SECTIONALIZED AIRFOIL FOR AN AIRCRAFT, EACH SECTION OF WHICH INCLUDES LOCAL AIRFLOW SENSORS, CONTROL MEANS, AND JET FLAP MEANS FOR CONTROLLING THE LIFT PRODUCED BY THE SECTION. THE PRESENT INVENTION HAS PARTICULAR APPLICATION TO ROTARYWING AIRCRAFT WHEREIN EACH ROTOR BLADE SECTION MAY INCLUDE VARIABLE DEFLECTION THRUSTER JET FLAP MEANS OPERABLE TO CONTROL THE LIFT PRODUCED BY EACH SECTION.
Inventors
- 👤 Apostolos P Kizilos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:17
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/04; B64C27/12; B64C27/16; B64C27/18; B64C27/32; B64C27/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |