US3289976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft
Assignee: Individual
•
Filing: 1964-10-28
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Granted: 1966-12-06
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Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Lemoigne Pierre Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:10
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/70; B; B64; B64C; B64C31/00; B64C31/028; B64C31/036; B64D; B64D17/00; B64D17/02; B64D17/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
AN AIRCRAFT COMPRISING A SUSTAINING ELEMENT HAVING RELATIVELY FIXED AND MOVABLE CONCAVO-CONVEX SURFACE SECTIONS, A PLURALITY OF AIR NOZZLE MEANS IN SAID SUSTAINING ELEMENT FOR DIRECTING THE AIR FROM THE CONCAVE LOWER SURFACE TO THE CONVEX UPPER SURFACE IN A DIRECTION SUBSTANTIALLY TANGENTIALLY OF THE CONVEX SURFACE FOR PRODUCING A REACTING PROPULSION COMPONENT AS WELL AS A LIFT INCREASING SUCTION EFFECT AT SAID CONVEX SURFACE OF THE SUSTAINING ELEMENT, AND MEANS FOR DEFLECTING THE MOVABLE SURFACE SECTION RELATIVE TO THE AFFIXED SURFACE SECTION IN A DOWNWARD DIRECTION FOR PRODUCING AN ADDITIONAL PROPULSION EFFECT BY ACCELERATING THE ENTRY OF AIR INTO THE NOZZLE MEANS OF THE MOVABLE SURFACE SECTION DURING THE DOWNWARD DEFLECTING MOVEMENT THEREOF.
Claim 2
Dependent Claim
114 words
AN AIRCRAFT COMPRISING A SUSTAINING ELEMENT HAVING RELATIVELY FIXED AND MOVABLE CONCAVO-CONVEX SURFACE SECTIONS, A PLURALITY OF AIR NOZZLE MEANS IN SAID SUSTAINING ELEMENT FOR DIRECTING THE AIR FROM THE CONCAVE LOWER SURFACE TO THE CONVEX UPPER SURFACE IN A DIRECTION SUBSTANTIALLY TANGENTIALLY OF THE CONVEX SURFACE FOR PRODUCING A REACTING PROPULSION COMPONENT AS WELL AS A LIFT INCREASING SUCTION EFFECT AT SAID CONVEX SURFACE OF THE SUSTAINING ELEMENT, AND MEANS FOR DEFLECTING THE MOVABLE SURFACE SECTION RELATIVE TO THE AFFIXED SURFACE SECTION IN A DOWNWARD DIRECTION FOR PRODUCING AN ADDITIONAL PROPULSION EFFECT BY ACCELERATING THE ENTRY OF AIR INTO THE NOZZLE MEANS OF THE MOVABLE SURFACE SECTION DURING THE DOWNWARD DEFLECTING MOVEMENT THEREOF.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |