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Expired Canadian patentCanada

Braking system for vehicles

CA 2293441 C · Owner: Yoshino, Yasunori · Inventors: Inoue, Hideyuki; Shirai, Kenji; Ohtomo, Akihiro

CIPO record

Overview

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

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Abstract From the Canadian patent

Braking system for vehicles, comprising electric braking units (14) each , provided for each wheel in order to prevent an unnecessary excessive yaw moment from being applied to a vehicle when the braking force generating unit for any wheel runs into trouble and to improve the running stability of the vehicle, for generating a braking force by the driving of actuators (22) according to the extent of the depression of a brake pedal (32) and a control , unit (38) for controlling an electric braking unit for each wheel independently of each other, wherein the control unit determines whether or not an electric braking unit for any one of the wheels is in trouble (S253 259), and when an …

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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 July 6, 1998 and granted May 27, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 6, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 6, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 6, 1998
GrantedMay 27, 2003
Term endedJuly 6, 2018
Patent numberCA 2293441 C
Classification (IPC)B60T8/00 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJuly 6, 1998Patent grantedMay 27, 2003Term endedJuly 6, 2018

Sources & verification

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