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Expired Canadian patentCanada

Suspension device

CA 1296745 C · Owner: Kumata, Masataka · Inventors: Ogura, Masami; Kumata, Masataka; Sano, Shoichi

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 suspension device in a motor vehicle has at least one component separate from a damper and to which vertical movement of a road wheel can be transmitted. The component comprises a resilient member supported on a vehicle body at a portion spaced from another portion operatively coupled to the road wheel, for giving vertically resiliency to the road wheel. The suspension device also has a counteracting load mechanism for applying a counteracting load variable dependent to an amount of flexing of a section of the component caused by vertical movement of the road wheel. The suspension device further includes a vehicle height adjusting mechanism operatively coupled to the counteracting load …

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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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
  • 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 13, 1988
GrantedMarch 3, 1992
Term endedMarch 3, 2009
Patent numberCA 1296745 C
Classification (IPC)B60G11/26 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMay 13, 1988Patent grantedMarch 3, 1992Term endedMarch 3, 2009

Sources & verification

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