← Back to Patent Explorer
US3124097A Expired / Lapsed US ⏱️ 0.0 years remaining

Detachable propulsion mechanisms for boats

Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 02:08
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)

US1446775A Cited
US2235140A Cited
DE940628C Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag