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Expired Canadian patentCanada

Slant plate type hydraulic device

CA 1254523 A · Owner: Honda Giken Kogyo Kabushiki Kaisha (Also Trading As Honda Motor Co. Ltd .) · Inventors: Kawahara, Eiichiro; Yamaguchi, Kouji; Yamamoto, Noboru

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 lubricant chamber encloses the sliding contact portions of a slant plate and the plurality of shoes to confine lubricating oil therein. The lubricating oil is permitted to leak from the chamber at a rate greater than the rate of flow of oil from the pressure pockets formed on the sliding faces of the shoes.

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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 May 23, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 23, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 14, 1985
GrantedMay 23, 1989
Term endedMay 23, 2006
Patent numberCA 1254523 A
Classification (IPC)F16N1/00 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedNov 14, 1985Patent grantedMay 23, 1989Term endedMay 23, 2006

Sources & verification

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