Patent US3237589A successfully refreshed from Google Patents.
US3237589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centripetal amphibious vehicle
Assignee: Individual
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Filing: 1964-01-17
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Granted: 1966-03-01
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Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
- 👤 Biasi Charles P De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:03
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN COMBINATION WITH A WHEELED AMPHIBIOUS VEHICLE HAVING A BUOYANT HULL BODY WHEREIN ALL OF THE WHEELS OF THE VEHICLE ARE ADAPTED TO BE DRIVEN AND CONTROLLED FROM WITHIN SAID HULL BODY, A SUPPORTING AND PROPELLING HYDRO-REACTIVE UNIT DETACHABLY MOUNTED COAXIALLY ON EACH OF THE VEHICLE WHEELS, EACH OF SAID SUPPORTING AND PROPELLING UNITS COMPRISING AN ANNULAR PERIPHERALLY OPEN U-SHAPED STRUCTURE, VANE-LIKE CONSTRUCTIONS DISPOSED WITHIN SAID ANNULAR USHAPED STRUCTURE AND RIGID WITH THE SIDES AND BOTTOM THEREOF, SAID VANE-LIKE CONSTRUCTIONS COMPRISING ALTERNATE POSITIVE AND NEGATIVE CURVED PORTIONS FORMED ABUTTING EACH OTHER THROUGHOUT THE ANNULAR EXTENT OF SAID USHAPED STRUCTURE, SAID NEGATIVE CURVED PORTIONS FORMING CUPPED REARWARDLY FACING PORTIONS AT THE TRAILING END OF EACH SAID CONSTRUCTIONS WITH RESPECT TO THE FORWARD ROTATION OF THE VEHICLE WHEELS TO ENABLE SAID POSITIVE AND NEGATIVE CURVED VANE PORTIONS TO EACH DEVELOP A FORWARDLY INCLINED FORCE DURING THE FORWARD ROTATION OF THE VEHICLE WHEELS TO AT LEAST PARTIALLY LIFT THE BUOYANT HULL BODY RELATIVE TO THE WATER AND SIMULTANEOUSLY EFFECT FORWARD PROPULSION OF THE VEHICLE.
Claim 2
Dependent Claim
171 words
IN COMBINATION WITH A WHEELED AMPHIBIOUS VEHICLE HAVING A BUOYANT HULL BODY WHEREIN ALL OF THE WHEELS OF THE VEHICLE ARE ADAPTED TO BE DRIVEN AND CONTROLLED FROM WITHIN SAID HULL BODY, A SUPPORTING AND PROPELLING HYDRO-REACTIVE UNIT DETACHABLY MOUNTED COAXIALLY ON EACH OF THE VEHICLE WHEELS, EACH OF SAID SUPPORTING AND PROPELLING UNITS COMPRISING AN ANNULAR PERIPHERALLY OPEN U-SHAPED STRUCTURE, VANE-LIKE CONSTRUCTIONS DISPOSED WITHIN SAID ANNULAR USHAPED STRUCTURE AND RIGID WITH THE SIDES AND BOTTOM THEREOF, SAID VANE-LIKE CONSTRUCTIONS COMPRISING ALTERNATE POSITIVE AND NEGATIVE CURVED PORTIONS FORMED ABUTTING EACH OTHER THROUGHOUT THE ANNULAR EXTENT OF SAID USHAPED STRUCTURE, SAID NEGATIVE CURVED PORTIONS FORMING CUPPED REARWARDLY FACING PORTIONS AT THE TRAILING END OF EACH SAID CONSTRUCTIONS WITH RESPECT TO THE FORWARD ROTATION OF THE VEHICLE WHEELS TO ENABLE SAID POSITIVE AND NEGATIVE CURVED VANE PORTIONS TO EACH DEVELOP A FORWARDLY INCLINED FORCE DURING THE FORWARD ROTATION OF THE VEHICLE WHEELS TO AT LEAST PARTIALLY LIFT THE BUOYANT HULL BODY RELATIVE TO THE WATER AND SIMULTANEOUSLY EFFECT FORWARD PROPULSION OF THE VEHICLE.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |