US3202383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft
Assignee: Individual
•
Filing: 1961-10-25
•
Granted: 1965-08-24
•
Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 Bel John P Le
- 👤 Hugh E Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:17
CPC Classifications
B; B64; B64C; B64C23/00; B64C23/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A FLYING WING AIRPLANE COMPRISING A WING HAVING A PAIR OF PLATES AFFIXED TO OPPOSITE ENDS IN SUBSTANTIALLY CHORDWISE RELATIONSHIP TO SAID WING, EACH OF SAID PLATES HAVINGA CHORDWISE LENGTH AT LEAST AS GREAT AS THE CHORD LENGTH OF THE CORRESPONDING END STATONS OF SAID WING AND HAVING A BOTTOM PROFILE LOWER THAN THE BOTTOM OF THE PROFILE OF SAID WING AT SAID END STATIONS, SAIDWING HAVING A TOP SURFACE COMPRISING A PLURALITY OF AIRFOIL SURFACES HAVING TOGETHER THE SAME SPAN AS SAID WING AND EACH ADAPTED AND ARRANGED TO DEFINE A RAM AIR INTAKE BETWEN A LEADING EDGE OF A TRAILING ONE OFSAID AIRFOIL SURFACES AND A SPANWISE TRACE OF A PRECEDING AIRFOIL SURFACE, IN A CHORD POSITION OF SAID PRECEDING AIRFOIL SURFACE BEHIND THE LINE OF CENTER OF PRESSURE OF SAID PRECEDING AIRFOIL
Claim 2
Dependent Claim
135 words
A FLYING WING AIRPLANE COMPRISING A WING HAVING A PAIR OF PLATES AFFIXED TO OPPOSITE ENDS IN SUBSTANTIALLY CHORDWISE RELATIONSHIP TO SAID WING, EACH OF SAID PLATES HAVINGA CHORDWISE LENGTH AT LEAST AS GREAT AS THE CHORD LENGTH OF THE CORRESPONDING END STATONS OF SAID WING AND HAVING A BOTTOM PROFILE LOWER THAN THE BOTTOM OF THE PROFILE OF SAID WING AT SAID END STATIONS, SAIDWING HAVING A TOP SURFACE COMPRISING A PLURALITY OF AIRFOIL SURFACES HAVING TOGETHER THE SAME SPAN AS SAID WING AND EACH ADAPTED AND ARRANGED TO DEFINE A RAM AIR INTAKE BETWEN A LEADING EDGE OF A TRAILING ONE OFSAID AIRFOIL SURFACES AND A SPANWISE TRACE OF A PRECEDING AIRFOIL SURFACE, IN A CHORD POSITION OF SAID PRECEDING AIRFOIL SURFACE BEHIND THE LINE OF CENTER OF PRESSURE OF SAID PRECEDING AIRFOIL
References Cited (Backward Citations)
GB650710A
Cited
CA472591A
Cited
US2464663A
Cited
US2466466A
Cited
US2447100A
Cited
US2809793A
Cited
US2639874A
Cited
US2964264A
Cited
US2821351A
Cited
US3023981A
Cited
US2989269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |