US3190582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground effects utilizing and transition aircraft
Assignee: Collins Radio Co
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Filing: 1964-01-02
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Granted: 1965-06-22
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Alexander M Lippisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:19
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/08; B64; B64C; B64C35/00; B64C35/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A CRAFT CABLE OF MOVING IN THE WATER, CLOSELY ADJACENT TO THE GROUND, ON WATER, IN THE GROUND EFFECT AREA, OR AS AN AIRCRAFT, COMPRISING GENERALLY TRIANGULAR SHAPED AIRFOIL MEANS HAVING FROM ITS CENTER PORTION A DOWNWARDLY EXTENDING LEADING EDGE TO EACH END WHICH FORMS ONE SIDE OF THE TRIANGLE, AND A PAIR OF TRAILING EDGES FORMING THE OTHER TWO SIDES OF THE TRIANGLE WITH THE TRAILING EDGES LYING IN SUBSTANTIALLY THE SAME PLANE, SAID AIRFOIL MEANS BEING FORMED WITH AN UPPER CURVED SURFACE CAPABLE OF PRODUCING LIFT AS SAID AIRFOIL MEANS IS MOVED THROUGH THE AIR, AND FORMED WITH A LOWER SURFACE FORMING A PRESSURE POCKET CAPABLE OF PRODUCING UPWARD PRESSURE AS THE CRAFT IS MOVED FORWARDLY; AND A PAIR OF PONTOONS ATTACHED TO SAID AIRFOIL MEANS AT THE ENDS OF THE LEADING EDGE AND IN THE SAME PLANE AS THE TRAILING EDGES SO AS TO PROVIDE PLANING SURFACES TOGETHER WITH SAID TRAILING EDGES AS THE CRAFT IS MOVED THROUGH A FLUID.
Claim 2
Dependent Claim
163 words
A CRAFT CABLE OF MOVING IN THE WATER, CLOSELY ADJACENT TO THE GROUND, ON WATER, IN THE GROUND EFFECT AREA, OR AS AN AIRCRAFT, COMPRISING GENERALLY TRIANGULAR SHAPED AIRFOIL MEANS HAVING FROM ITS CENTER PORTION A DOWNWARDLY EXTENDING LEADING EDGE TO EACH END WHICH FORMS ONE SIDE OF THE TRIANGLE, AND A PAIR OF TRAILING EDGES FORMING THE OTHER TWO SIDES OF THE TRIANGLE WITH THE TRAILING EDGES LYING IN SUBSTANTIALLY THE SAME PLANE, SAID AIRFOIL MEANS BEING FORMED WITH AN UPPER CURVED SURFACE CAPABLE OF PRODUCING LIFT AS SAID AIRFOIL MEANS IS MOVED THROUGH THE AIR, AND FORMED WITH A LOWER SURFACE FORMING A PRESSURE POCKET CAPABLE OF PRODUCING UPWARD PRESSURE AS THE CRAFT IS MOVED FORWARDLY; AND A PAIR OF PONTOONS ATTACHED TO SAID AIRFOIL MEANS AT THE ENDS OF THE LEADING EDGE AND IN THE SAME PLANE AS THE TRAILING EDGES SO AS TO PROVIDE PLANING SURFACES TOGETHER WITH SAID TRAILING EDGES AS THE CRAFT IS MOVED THROUGH A FLUID.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |