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Expired Canadian patentCanada

Process and apparatus for the mechanical separation of a combination of meats and bone

CA 1062539 A · Owner: Chemetron Corporation · Inventors: Yarem, Joseph; Poss, Werner

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

In a process and apparatus for the mechanical separation of a combination of meats and bone the material is conveyed by a feed screw through a conduit having at least a part of its wall formed as a separator screen. The screw moves the material between its lands in a manner such that it is pressed radially outwards against the screen with a minimization of shear along the screen. The screen is constituted by a plurality of closely spaced plates which flex under the effect of the outwardly operative pressure to facilitate passage of the meat fraction therethrough while retaining the boney fraction on the inner wall.

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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 September 18, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 18, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedSeptember 18, 1979
Term endedSeptember 18, 1996
Patent numberCA 1062539 A
Classification (IPC)A22C17/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 18, 1979Term endedSep 18, 1996

Sources & verification

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