US3347495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane wing flap with augmented jet lift-increasing device
Assignee: Boeing Co
•
Filing: 1965-05-17
•
Granted: 1967-10-17
•
Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Donald S Eberhardt
- 👤 Louis B Gratzer
- 👤 Jr Joe N Runnels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:32
CPC Classifications
B; B64; B64C; B64C23/00; B64C23/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
FLAP JET-BLANKETING MECHANISM FOR AN AIRPLANE WING TRAILING EDGE FLAP, COMPRISING EJECTOR MEANS CARRIED BY THE WING ADJACENT TO THE FLAP AND INCLUDING REARWARDLY DIRECTED CHANNEL MEANS HAVING A REAR DISCHARGE END OF A DEPTH LESS THAN THE THICKNESS OF THE FLAP AND OVERLYING THE LEADING PORTION OF THE FLAP AND NOZZLES LOCATED TO DIRECT AIR JETS INTO SAID CHANNEL MEANS BUT SPACED FROM THE WALLS THEREOF TO LEAVE PASSAGES FOR FLOW INTO SAID CHANNEL MEANS OF SUPLEMENTAL AIR FOR DISCHARGE ALONGSIDE THE LEADING PORTION OF THE FLAP, AND SUPPLEMENTAL AIR SUPPLY MEANS COMMUNICATING WITH THE UNDERSIDE OF THE WING FOR SUPPLYING SUPPLEMENTAL AIR TO SAID CHANNEL MEANS FROM THE UNDERSIDE OF THE WING.
Claim 2
Dependent Claim
114 words
FLAP JET-BLANKETING MECHANISM FOR AN AIRPLANE WING TRAILING EDGE FLAP, COMPRISING EJECTOR MEANS CARRIED BY THE WING ADJACENT TO THE FLAP AND INCLUDING REARWARDLY DIRECTED CHANNEL MEANS HAVING A REAR DISCHARGE END OF A DEPTH LESS THAN THE THICKNESS OF THE FLAP AND OVERLYING THE LEADING PORTION OF THE FLAP AND NOZZLES LOCATED TO DIRECT AIR JETS INTO SAID CHANNEL MEANS BUT SPACED FROM THE WALLS THEREOF TO LEAVE PASSAGES FOR FLOW INTO SAID CHANNEL MEANS OF SUPLEMENTAL AIR FOR DISCHARGE ALONGSIDE THE LEADING PORTION OF THE FLAP, AND SUPPLEMENTAL AIR SUPPLY MEANS COMMUNICATING WITH THE UNDERSIDE OF THE WING FOR SUPPLYING SUPPLEMENTAL AIR TO SAID CHANNEL MEANS FROM THE UNDERSIDE OF THE WING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |