US3259341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blown movable airfoil
Assignee: Boeing Co
•
Filing: 1964-05-07
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Granted: 1966-07-05
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Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Robert H Steidl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:25
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)
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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) | 1969-07-04 | 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 |