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Expired Canadian patentCanada

Apparatus for controlling hydraulic pressure to be applied to effect braking of wheels

CA 1305236 C · Owner: Kishimoto, Masashi · Inventors: Sakai, Kazunori; Kishimoto, Masashi; Asami, Ken

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Abstract From the Canadian patent

Apparatus for Controlling Hydraulic Pressure to be Applied to Effect Braking of Wheels" ABSTRACT OF THE DISCLOSURE, A wheel slipping control apparatus for controlling a braking hydraulic pressure to be applied to a wheel so as to perform an effective braking operation. The wheel slipping control apparatus comprises a control unit for generating a control signal in accordance with the wheel slipping state so as to perform a braking pressure control cycle so that the braking hydraulic pressure is set to a pressure decreasing mode and then to a pressure increasing mode. In the control unit, one of the braking pressure control cycles to be performed is determined as a learning control cycle to …

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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 July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 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.
FiledSeptember 11, 1987
GrantedJuly 14, 1992
Term endedJuly 14, 2009
Patent numberCA 1305236 C
Classification (IPC)B60T8/58

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedSep 11, 1987Patent grantedJuly 14, 1992Term endedJuly 14, 2009

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