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Expired Canadian patentCanada

Food processing machine

CA 1196255 A · Owner: Premark Feg L.L.C. · Inventors: Miller, William D.; Roeger, Carl R.; Goodin, Charles R.

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 meat grinder includes a bone chip remover in which the bone chips are removed at a radially outer region of the grinding plate through a single tangential opening substantially in the plane of rotation of the knife in response to intermittent operation of a valve. Knife blades which have substantial axial depth perpendicular to the plate are curved rearwardly to the direction of rotation to apply an outward force component or pumping to chips which do not pass through the grinding plate have terminal ends which sweep about a region radially outwardly of the perforated region of the plate, at a non-grinding or non-perforated region behind which the chips are trapped and rotated about with …

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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 November 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 21, 1982
GrantedNovember 5, 1985
Term endedNovember 5, 2002
Patent numberCA 1196255 A
Classification (IPC)B26D1/26 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedOct 21, 1982Patent grantedNov 5, 1985Term endedNov 5, 2002

Sources & verification

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