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Expired Canadian patentCanada

Yaw moment control system in vehicle

CA 2220905 C · Owner: Shibahata, Yasuji · Inventors: Shibahata, Yasuji

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

A yaw moment control system for a vehicle is provided to prevent the reduction of the turning performance during traveling of a vehicle at a low speed, which is designed, so that a driving force and a braking force are distributed to inner and outer wheels during turning of the vehicle in order to eliminate an over-steering tendency produced upon deceleration of the vehicle during turning thereof, thereby enhancing the stability during traveling of the vehicle at a high speed. A longitudinal acceleration Xg calculated in a longitudinal acceleration calculating circuit a lateral, acceleration Yg calculated in a lateral acceleration calculating circuit and a correcting factor Kv determined in …

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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 November 12, 1997 and granted January 8, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2019.
  • 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 12, 1997
GrantedJanuary 8, 2002
Term endedNovember 12, 2017
Patent numberCA 2220905 C
Classification (IPC)F16H48/26 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedNov 12, 1997Patent grantedJan 8, 2002Term endedNov 12, 2017

Sources & verification

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