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US3259341A Expired / Lapsed US ⏱️ 0.0 years remaining

Blown movable airfoil

Assignee: Boeing Co
•
Filing: 1964-05-07
•
Granted: 1966-07-05
•
Expires: 1984-05-07
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Abstract

No abstract record available.

Inventors

  • 👤 Robert H Steidl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 08:25
CPC Classifications
B; B64; B64C; B64C23/00; B64C23/005

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 106 words
IN AN AIRCRAFT WING HAVING A MAIN AIRFOIL AND A PIVOTAL TRAILING AIRFOIL, MEANS DEFINING A CHAMBER WITHIN SAID MAIN AIRFOIL AND FORMING A DISCHARGE SLOT AT THE TRAILING EDGE OF SAID MAIN AIRFOIL MEANS FOR BLOWING AIR THROUGH SAID CHAMBER, AND MEANS FOR TRANSLATING AND ROTATING SAID PIVOTAL TRAILING AIRFOIL SO THAT THE LEADING UPPER SURFACE OF SAID LAST-MENTIONED AIRFOIL MAINTAINS TANGENTIAL CONTACT WITH THE LOWER EDGE OF SAID DISCHARGE SLOT, WHEREIN SAID MEANS FOR TRANSLATING AND ROTATING SAID PIVOTAL TRAILING AIRFOIL INCLUDES: (A) AN ACTUATOR ARM; (B) FIRST LINKAGE MEANS INTERCONNECTING SAID ACTUATOR ARM AND A SECOND LINKAGE MEANS, SAID FIRST LINKAGE MEANS INCLUDING
Claim 2
Dependent Claim 106 words
IN AN AIRCRAFT WING HAVING A MAIN AIRFOIL AND A PIVOTAL TRAILING AIRFOIL, MEANS DEFINING A CHAMBER WITHIN SAID MAIN AIRFOIL AND FORMING A DISCHARGE SLOT AT THE TRAILING EDGE OF SAID MAIN AIRFOIL MEANS FOR BLOWING AIR THROUGH SAID CHAMBER, AND MEANS FOR TRANSLATING AND ROTATING SAID PIVOTAL TRAILING AIRFOIL SO THAT THE LEADING UPPER SURFACE OF SAID LAST-MENTIONED AIRFOIL MAINTAINS TANGENTIAL CONTACT WITH THE LOWER EDGE OF SAID DISCHARGE SLOT, WHEREIN SAID MEANS FOR TRANSLATING AND ROTATING SAID PIVOTAL TRAILING AIRFOIL INCLUDES: (A) AN ACTUATOR ARM; (B) FIRST LINKAGE MEANS INTERCONNECTING SAID ACTUATOR ARM AND A SECOND LINKAGE MEANS, SAID FIRST LINKAGE MEANS INCLUDING

References Cited (Backward Citations)

US2478793A Cited
US2940690A Cited
US2978207A Cited
US3045947A Cited
US3092354A Cited
US3203647A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-04 1970-01-03 1970-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-04 1974-01-03 1974-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-04 1978-01-03 1978-07-05 $7700.00 Window Closed / Lapsed

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