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Expired Canadian patentCanada

Engine for outboard engine system

CA 2176679 C · Owner: Honda Giken Kogyo Kabushiki Kaisha · Inventors: Koishikawa, Kouji; Tsunoda, Masaki; Suzuki, Hitoshi

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An upper intake pipe and a lower intake pipe interconnecting a left bank and a throttle body are disposed along a left side of a V-shaped multi-cylinder engine having a vertically placed crankshaft. The lower intake pipe is disposed by utilizing a waste space which is defined between a starter motor and an oil filter while, the oil filter is disposed by utilizing a waste space which is defined between the upper and lower intake pipes. Thus it is possible to rationally dispose the intake pipes and other auxiliaries on a side of an engine block to reduce the size of the engine for the outboard engine system.

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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

  • Filed May 15, 1996 and granted August 20, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 15, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 15, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 15, 1996
GrantedAugust 20, 2002
Term endedMay 15, 2016
Patent numberCA 2176679 C
Classification (IPC)F02F7/00 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedMay 15, 1996Patent grantedAug 20, 2002Term endedMay 15, 2016

Sources & verification

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