Patent US3146587A successfully refreshed from Google Patents.
US3146587A
Expired / Lapsed
US
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Water-jet propulsion means for boats
Assignee: Individual
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Filing: 1962-04-09
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Granted: 1964-09-01
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Then Sophia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:05
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/02; B63H11/04; B63H11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A WATER-JET PROPULSION MOTOR FOR PROPELLING A BOAT, COMPRISING: (A) A HOUSING HAVING AN UPPER PORTION DETACHABLY CONNECTED TO A LOWER PORTION, (B) MEANS ON SAID HOUSING LOWER PORTION FOR MOUNTING SAID HOUSING ON A BOAT, (C) A VERTICAL POWER SHAFT ROTATABLY MOUNTED THROUGH SAID MOUNTING MEANS AND HAVING THE LOWER END EXTENDED DOWNWARDLY THROUGH THE HOUSING UPPER PORTION AND INTO SAID HOUSING LOWER PORTION, (D) SAID HOUSING LOWER PORTION BEING PROVIDED WITH AN INTAKE OPENING ON THE BOTTOM SIDE THEREOF AND A PROPELLER COMPARTMENT INCLUDING A CYLINDRICAL VERTICAL WALL EXTENDING UPWARDLY FROM SAID INTAKE OPENING TO A POINT ADJACENT THE LOWER END OF SAID UPPER PORTION, (E) A PROPELLER MOUNTED ON THE LOWER END OF SAID POWER SHAFT, WITHIN SAID PROPELLER COMPARTMENT IN THE LOWER PORTION OF THE HOUSING AND ABOVE SAID INTAKE OPENING, AND,
Claim 2
Dependent Claim
136 words
A WATER-JET PROPULSION MOTOR FOR PROPELLING A BOAT, COMPRISING: (A) A HOUSING HAVING AN UPPER PORTION DETACHABLY CONNECTED TO A LOWER PORTION, (B) MEANS ON SAID HOUSING LOWER PORTION FOR MOUNTING SAID HOUSING ON A BOAT, (C) A VERTICAL POWER SHAFT ROTATABLY MOUNTED THROUGH SAID MOUNTING MEANS AND HAVING THE LOWER END EXTENDED DOWNWARDLY THROUGH THE HOUSING UPPER PORTION AND INTO SAID HOUSING LOWER PORTION, (D) SAID HOUSING LOWER PORTION BEING PROVIDED WITH AN INTAKE OPENING ON THE BOTTOM SIDE THEREOF AND A PROPELLER COMPARTMENT INCLUDING A CYLINDRICAL VERTICAL WALL EXTENDING UPWARDLY FROM SAID INTAKE OPENING TO A POINT ADJACENT THE LOWER END OF SAID UPPER PORTION, (E) A PROPELLER MOUNTED ON THE LOWER END OF SAID POWER SHAFT, WITHIN SAID PROPELLER COMPARTMENT IN THE LOWER PORTION OF THE HOUSING AND ABOVE SAID INTAKE OPENING, AND,
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |