Patent Yard Sign in
Expired Canadian patentCanada

Snow removing machine

CA 2528203 C · Owner: Mizoroke, Tsutomu · Inventors: Ono, Naotoshi; Mizoroke, Tsutomu; Kawakami, Toshiaki

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

In a snow removing machine, left and right running devices and auger housing are mounted on a running-device frame and the auger housing is rollable by a rolling drive mechanism. In response to operation of a turning operator a control section performs control to drive the left and right running devices to thereby turn the machine and the control section also issues a drive instruction to the rolling drive mechanism to roll the auger housing in an inward direction as viewed in the turning direction of the machine such that a portion of one of the opposite side edges of the auger housing located inwardly of the other side edge as viewed in the turning direction is brought into contact with …

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 November 23, 2005 and granted February 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 23, 2025.
  • 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.
FiledNovember 23, 2005
GrantedFebruary 5, 2013
Term endedNovember 23, 2025
Patent numberCA 2528203 C
Classification (IPC)E01H5/08

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 23, 2005Patent grantedFeb 5, 2013Term endedNov 23, 2025

Sources & verification

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