Patent Yard Sign in
Expired Canadian patentCanada

Electric trailer brake controller

CA 2534703 C · Owner: Robertson, Charles L. · Inventors: Robertson, Charles L.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A micro processor based electric brake controller includes a multi-axis accelerometer that senses deceleration of a towing vehicle along a plurality of directional axes. The controller also includes a microprocessor that is responsive to the sensed decelerations to supply power to trailer brakes that is a function of the deceleration.

Read the whole patent

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 January 31, 2006 and granted July 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 31, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 31, 2006
GrantedJuly 2, 2013
Term endedJanuary 31, 2026
Patent numberCA 2534703 C
Classification (IPC)B60T7/20 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 31, 2006Patent grantedJuly 2, 2013Term endedJan 31, 2026

Sources & verification

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