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Expired Canadian patentCanada

Lubricating apparatus in internal combustion engine

CA 1237956 A · Owner: Honda Giken Kogyo Kabushiki Kaisha (Also Trading As Honda Motor Co. Ltd .) · Inventors: Ishida, Atsushi

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

A lubricating apparatus in an internal combustion engine of the horizontal type in which a main oil gallery for feeding oil to engine portions to be lubricated is provided substantially parallel to the engine crank shaft in the bearing cap secured to engine block for rotatable supporting the crank shaft and an oil, filter is provided on the bearing cap at a central portion in the direction of the crank shaft. The oil pump is provided on one end of the crank shaft and oil passages are formed in the bearing cap for conducting the oil from the oil pump to the oil filter and then from the oil filter to the central portion of said main gallery.

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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 June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 26, 1985
GrantedJune 14, 1988
Term endedJune 14, 2005
Patent numberCA 1237956 A
Classification (IPC)F01M1/00 +2 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedMarch 26, 1985Patent grantedJune 14, 1988Term endedJune 14, 2005

Sources & verification

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