US3486577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow ground effect machine
Assignee: ARTHUR M JACKES
•
Filing: 1965-10-21
•
Granted: 1969-12-30
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Jackes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:02
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A GROUND EFFECT MACHINE COMPRISING A BODY DEFINING AN ELONGATED CHAMBER, SAID CHAMBER HAVING AN OPEN BOTTOM, A TOP WALL AND SPACED SIDE WALLS, ONE END OF SAID CHAMBER HAVING AN EXIT APERTURE AT THE LOWER EDGE THEREOF, SAID TOP WALL BEING SPACED A RELATIVELY GREAT DISTANCE FROM SAID OPEN BOTTOM AND HAVING A SUBSTANTIALLY CONSTANT INCLINATION TOWARD SAID ONE END OF SAID CHAMBER, SAID CHAMBER INCLUDING A PLURALITY OF OPENINGS REMOTE FROM SAID END AND SUBSTANTIALLY ALIGNED THEREWITH, AND MEANS AT EACH OF SAID OPENINGS FOR PUMPING AIR THERETHROUGH AND INTO SAID CHAMBER.
Claim 2
Dependent Claim
94 words
A GROUND EFFECT MACHINE COMPRISING A BODY DEFINING AN ELONGATED CHAMBER, SAID CHAMBER HAVING AN OPEN BOTTOM, A TOP WALL AND SPACED SIDE WALLS, ONE END OF SAID CHAMBER HAVING AN EXIT APERTURE AT THE LOWER EDGE THEREOF, SAID TOP WALL BEING SPACED A RELATIVELY GREAT DISTANCE FROM SAID OPEN BOTTOM AND HAVING A SUBSTANTIALLY CONSTANT INCLINATION TOWARD SAID ONE END OF SAID CHAMBER, SAID CHAMBER INCLUDING A PLURALITY OF OPENINGS REMOTE FROM SAID END AND SUBSTANTIALLY ALIGNED THEREWITH, AND MEANS AT EACH OF SAID OPENINGS FOR PUMPING AIR THERETHROUGH AND INTO SAID CHAMBER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |