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Expired Canadian patentCanada

Brake control device for preventing the backward movement of vehicles

CA 1206503 A · Owner: Kia Industrial Company Ltd. · Inventors: Ha, Chung-Yong

CIPO record

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

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Abstract From the Canadian patent

Abstract:, A brake control device for preventing backward movement of a vehicle on an uphill road during operation of the clutch pedal after release of the brake pedal the device including a cylinder body having iol passages for connection between the master cylinder and the wheel cylinders of the vehicle. A spring biased hollow plunger is reciprocably received within the cylinder body to provide flow communication between the oil passages in a first position thereof when the brake pedal is actuated and to prevent the oil from returning from the wheel cylinders in a second position thereof when the clutch pedal is actuated upon release of the brake pedal. An electromagnetic switch-activated …

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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 June 24, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 14, 1982
GrantedJune 24, 1986
Term endedJune 24, 2003
Patent numberCA 1206503 A
Classification (IPC)B60T1/00 +2 more

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedDec 14, 1982Patent grantedJune 24, 1986Term endedJune 24, 2003

Sources & verification

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