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Expired Canadian patentCanada

Marine propulsion engine voltage generator arrangement

CA 1287525 C · Owner: Macier, James E. · Inventors: Broughton, George L.; Macier, James E.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A marine propulsion device comprising a lower unit including a rotatably mounted propeller an internal combustion engine mounted on the lower unit and drivingly connected to the propeller the, engine including an engine block, a crankshaft and flywheel assembly including a crankshaft rotatably supported by the engine block and having an end extending from the engine block, and a flywheel mounted on the end of the crankshaft for rotation therewith, and a voltage generator including a magnet mounted on one of the assembly and the engine block and a coil mounted on the other of the assembly and the engine block, the coil being radially spaced from the magnet, and an annular power takeoff …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted August 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 2, 1986
GrantedAugust 13, 1991
Term endedAugust 13, 2008
Patent numberCA 1287525 C
Classification (IPC)F02B63/04 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJuly 2, 1986Patent grantedAug 13, 1991Term endedAug 13, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.