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Expired Canadian patentCanada

Safety brake system

CA 1209883 A · Owner: Thomas Equipment Ltd. · Inventors: Barton, Brian C.; Tiedke, Herman W.B.; Burke, Raymond W.

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 safety system for a vehicle having foot operated hydraulic controls consisting of a pivotal plate which activates a parking brake so that when the plate is in a lowered position the parking brake is set and the plate covers the hydraulic controls of the vehicle as well as being a foot rest, and when the plate is in upright position the parking brake is, released and access is obtained to the hydraulic controls.

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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 August 19, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 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.
FiledMay 15, 1984
GrantedAugust 19, 1986
Term endedAugust 19, 2003
Patent numberCA 1209883 A
Classification (IPC)B60T7/04 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedMay 15, 1984Patent grantedAug 19, 1986Term endedAug 19, 2003

Sources & verification

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