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Expired Canadian patentCanada

Conveyor system for use with an ingredient mixer

CA 1266845 C · Owner: Agrimetal Inc. · Inventors: Houle, Mario

CIPO record

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

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Abstract From the Canadian patent

A conveyor system for use with rotary screw conveyors located side by side has a mechanical arrangement allowing individually adjusting the speed of each conveyor. One end of each conveyor has driven teeth disposed in a circle and coaxial with the rotation axis of the conveyor. Each conveyor is rotated by a circular disk rotating about an axis normal to the axis of the conveyor and provided with driving teeth disposed in a circle on the disk and positioned to mesh with the driven teeth of the conveyor. The driving teeth of each disk are individually mounted so that they may be moved between a working position where they mesh with the companion conveyor driven teeth and a non-working …

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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 March 20, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 14, 1986
GrantedMarch 20, 1990
Term endedMarch 20, 2007
Patent numberCA 1266845 C
Classification (IPC)B65G33/36 +1 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedJuly 14, 1986Patent grantedMarch 20, 1990Term endedMarch 20, 2007

Sources & verification

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