US3082976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft with ground effect landing gear
Assignee: Dornier Werke GmbH
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Filing: 1961-06-30
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Granted: 1963-03-26
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Dornier Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:35
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/08; B64; B64C; B64C29/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
LOW-WING AIRCRAFT COMPRISING, IN COMBINATION, A FUSELAGE, WINGS FOR PRODUCING LIFT DURING FLIGHT, SAID WINGS HAVING INNER PORTIONS EXTENDING FROM THE LOWER PORTION OF SAID FUSELAGE AND OUTER PORTIONS, SHEETLIKE ELEMENTS EXTENDING SUBSTANTIALLY VERTICALLY DOWNWARD FROM THE LATERAL SIDES OF SAID INNER WING PORTIONS PARALLEL TO THE LONGITUDINAL AXIS OF THE AIRCRAFT, AND TRANSVERSE FLOW BLOWERS BUILT INTO SAID INNER WING PORTIONS AND HAVING ROTATION AXES EXTENDING SUBSTANTIALLY NORMAL WITH RESPECT TO THE LONGITUDINAL AXIS OF THE AIRCRAFT, SAID BLOWERS HAVING INLETS AT THE TOP SIDE OF SAID INNER WING PORTIONS AND OUTLETS AT THE BOTTOM SIDE OF SAID INNER WING PORTIONS FOR PRODUCING AN AIR CUSHION BELOW SAID INNER WING PORTIONS AND BETWEEN SAID SHEETLIKE ELEMENTS FOR LIFTING THE AIRCRAFT FROM THE GROUND AND FOR PRODUCING FORWARD THRUST.
Claim 2
Dependent Claim
129 words
LOW-WING AIRCRAFT COMPRISING, IN COMBINATION, A FUSELAGE, WINGS FOR PRODUCING LIFT DURING FLIGHT, SAID WINGS HAVING INNER PORTIONS EXTENDING FROM THE LOWER PORTION OF SAID FUSELAGE AND OUTER PORTIONS, SHEETLIKE ELEMENTS EXTENDING SUBSTANTIALLY VERTICALLY DOWNWARD FROM THE LATERAL SIDES OF SAID INNER WING PORTIONS PARALLEL TO THE LONGITUDINAL AXIS OF THE AIRCRAFT, AND TRANSVERSE FLOW BLOWERS BUILT INTO SAID INNER WING PORTIONS AND HAVING ROTATION AXES EXTENDING SUBSTANTIALLY NORMAL WITH RESPECT TO THE LONGITUDINAL AXIS OF THE AIRCRAFT, SAID BLOWERS HAVING INLETS AT THE TOP SIDE OF SAID INNER WING PORTIONS AND OUTLETS AT THE BOTTOM SIDE OF SAID INNER WING PORTIONS FOR PRODUCING AN AIR CUSHION BELOW SAID INNER WING PORTIONS AND BETWEEN SAID SHEETLIKE ELEMENTS FOR LIFTING THE AIRCRAFT FROM THE GROUND AND FOR PRODUCING FORWARD THRUST.
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |