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Expired Canadian patentCanada

Discharge auger arrangement for a drill fill device

CA 1264151 C · Owner: Friesen, Abraham S. · Inventors: Friesen, Abraham S.

CIPO record

Overview

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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 conventional drill fill apparatus which has a rectangular support frame mounting two containers each of which has vertical side walls, a hopper bottom and a cover panel is modified by the repositioning of discharge augers from the base of the containers. The discharge auger from one of the containers extends from the base upwardly, rearwardly and to one side so that a discharge spout of the auger is positioned adjacent one rear corner of the device. The discharge auger of the other container extends at a shallower angle from the base of that container in a direction rearwardly and to one side so that the auger extends through a side wall of the container into the second container and …

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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 January 2, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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.
FiledApril 13, 1989
GrantedJanuary 2, 1990
Term endedJanuary 2, 2007
Patent numberCA 1264151 C
Classification (IPC)B65G33/26 +1 more

Timeline

Timeline From CIPO dates

199019921994199619982000200220042006Application filedApril 13, 1989Patent grantedJan 2, 1990Term endedJan 2, 2007

Sources & verification

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