US3124097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable propulsion mechanisms for boats
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:57
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/24; B63H20/245; B63H1/00; B63H1/02; B63H1/12; B63H1/14; B63H1/16; B63H20/08; B63H20/10; B63H20/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
FOR USE IN PROPELLING AND STEERING A BOAT, A UNITARY PROPULSION MECHANISM ADAPTED FOR DETACHABLE CONNECTION TO THE BOAT, AND COMPRISING IN COMBINATION A COMPRESSION IGNITION INTERNAL COMBUSTION ENGINE WHICH IS TOTALLY SUBMERSIBLE BELOW WATER LEVEL WHEN THE PROPULSION MECHANISM IS IN NORMAL USE, AND WHICH HAS A CYLINDER BLOCK, A CRANKCASE AT THE UNDERSIDE OF SAID CYLINDER BLOCK, A PISTON SLIDABLY MOUNTED IN SAID CYLINDER BLOCK SO AS TO BE MOVABLE TOWARDS AND AWAY FROM THE UPPER PORTION OF SAID CYLINDER BLOCK, AND A FUEL INJECTION NOZZLE WHICH COMMUNICATES WITH THE INTERIOR OF SAID CYLINDER BLOCK AT A POSITION ABOVE SAID PISTON, AN OIL SUMP IN SAID CRANKCASE AT ONE END THEREOF, A CRANKSHAFT WHICH IS OPERATIVELY CONNECTED TO SAID PISTON, AND WHICH IS ROTATABLY SUPPORTED IN SAID CRANKCASE WITH ONE END PORTION OF SAID CRANKSHAFT EXTENDING INTO SAID OIL SUMP, AND THE OPPOSITE END PORTION OF SAID CRANKSHAFT EXTENDING OUTWARDLY FROM THE END OF SAID CRANKCASE REMOTE FROM SAID OIL SUMP, A PROPELLER MOUNTED ON THE LAST MENTIONED END PORTION OF SAID CRANKSHAFT, A FUEL TANK SECURED TO, AND EXTENDING UPWARD-
Claim 2
Dependent Claim
183 words
FOR USE IN PROPELLING AND STEERING A BOAT, A UNITARY PROPULSION MECHANISM ADAPTED FOR DETACHABLE CONNECTION TO THE BOAT, AND COMPRISING IN COMBINATION A COMPRESSION IGNITION INTERNAL COMBUSTION ENGINE WHICH IS TOTALLY SUBMERSIBLE BELOW WATER LEVEL WHEN THE PROPULSION MECHANISM IS IN NORMAL USE, AND WHICH HAS A CYLINDER BLOCK, A CRANKCASE AT THE UNDERSIDE OF SAID CYLINDER BLOCK, A PISTON SLIDABLY MOUNTED IN SAID CYLINDER BLOCK SO AS TO BE MOVABLE TOWARDS AND AWAY FROM THE UPPER PORTION OF SAID CYLINDER BLOCK, AND A FUEL INJECTION NOZZLE WHICH COMMUNICATES WITH THE INTERIOR OF SAID CYLINDER BLOCK AT A POSITION ABOVE SAID PISTON, AN OIL SUMP IN SAID CRANKCASE AT ONE END THEREOF, A CRANKSHAFT WHICH IS OPERATIVELY CONNECTED TO SAID PISTON, AND WHICH IS ROTATABLY SUPPORTED IN SAID CRANKCASE WITH ONE END PORTION OF SAID CRANKSHAFT EXTENDING INTO SAID OIL SUMP, AND THE OPPOSITE END PORTION OF SAID CRANKSHAFT EXTENDING OUTWARDLY FROM THE END OF SAID CRANKCASE REMOTE FROM SAID OIL SUMP, A PROPELLER MOUNTED ON THE LAST MENTIONED END PORTION OF SAID CRANKSHAFT, A FUEL TANK SECURED TO, AND EXTENDING UPWARD-
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |