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Expired Canadian patentCanada

Safety circuit arrangement for wheel anti-skid brake control system

CA 1067181 A · Owner: Wabco Westinghouse G.M.B.H. · Inventors: Reinecke, Erich

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 wheel anti-skid brake control system in which a safety circuit is provided to monitor critical circuit functions of each wheel control channel and to interrupt power to a circuit having a malfunction in order to prevent adverse influence of the anti-skid control system on the brake pressure wherein, the safety circuit of one wheel is incorporated in the integrated electronic control circuitry of a different wheel control channel so as to remain operative when a malfunction occurs in the control channel circuitry of the one wheel in order to assure that such malfunction is detected.

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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 November 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 27, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedNovember 27, 1979
Term endedNovember 27, 1996
Patent numberCA 1067181 A
Classification (IPC)G05D13/62 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedNov 27, 1979Term endedNov 27, 1996

Sources & verification

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