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Expired Canadian patentCanada

Bale shredding apparatus

CA 1313992 C · Owner: Osborne, Geoffrey · Inventors: Osborne, Geoffrey

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

Bale shredding apparatus comprises a rotatable drum of cylindrical form open at one end for receiving a bale to be shredded and closed at the opposite end by a stationary end wall having an opening through which projects a rotary cutter having axially projecting radial blades which act to tear material from a bale placed in the drum and deliver it to shredder teeth of the rotor from which the shredded material is discharged via an outlet chute. The drum is mounted on a frame comprising a drum mounting frame and a connector frame which are pivotally joined together such that the inclination of the axis of the drum can be varied from a horizontal position to a maximum working inclination less …

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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 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 2, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 7, 1988
GrantedMarch 2, 1993
Term endedMarch 2, 2010
Patent numberCA 1313992 C
Classification (IPC)B02C13/28 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedSep 7, 1988Patent grantedMarch 2, 1993Term endedMarch 2, 2010

Sources & verification

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