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Expired Canadian patentCanada

Drum skinner

CA 1099461 A · Owner: Wolverine World Wide, Inc · Inventors: Harlan, Martin L.; Brooks, Ronald L.; Krause, John A.

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 hog carcass skinning apparatus is disclosed including a rotatably mounted and generally vertically positioned drum having an axially oriented ditch opening in its periphery. A clamp is carried by the drum in the ditch for clamping an edge flap of skin on the hog carcass. A floating skin scraper is positioned adjacent the ditch and, a skin flap gripping and infeeding device is positioned in the ditch for infeeding the edge flap into the ditch to allow clamping thereof so that upon rotation of the drum the car-, cass is caused to rotate and the skin is scraped off the carcass by the scraper. -1-

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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 April 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 1998.
  • 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 23, 1979
GrantedApril 21, 1981
Term endedApril 21, 1998
Patent numberCA 1099461 A
Classification (IPC)A22B5/16

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedOct 23, 1979Patent grantedApril 21, 1981Term endedApril 21, 1998

Sources & verification

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