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Expired Canadian patentCanada

Apparatus for mounting power transmission belts on and removing same from pulleys

CA 1280712 C · Owner: Mitsuboshi Belting Ltd. · Inventors: Fukuda, Misao; Nagata, Akihiro; Kamiyama, Yoshihiko

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

The present invention is directed to an apparatus for automatically delivering power transmission belt preforms from a supply to a work station for entrainment on a pair of cooperating pulleys, in which position a cutting abrading, operation, or the like can be preformed on the belt. Once the belt is completed, structure automatically removes the belt from the pulleys and delivers the same to a desired destination.

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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 February 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 27, 1987
GrantedFebruary 26, 1991
Term endedFebruary 26, 2008
Patent numberCA 1280712 C
Classification (IPC)B21D53/10 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedMarch 27, 1987Patent grantedFeb 26, 1991Term endedFeb 26, 2008

Sources & verification

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