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Expired Canadian patentCanada

Process and device for producing cylindrical bales of agricultural product in a pickup baler

CA 1284057 C · Owner: Mouret, Patrick · Inventors: Mouret, Patrick

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

Process for producing a cylindrical bale of an agricultural product in a baler whose winding chamber is in part delimited by rotary drive elements above a pickup and which includes a rear part that can be lifted for removal of the bale. The product is introduced into the winding chamber and wound between the rotary drive elements mounted on two pivoting baling elements until the diameter of the bale reaches a first value. Subsequently, the winding chamber is delimited by the assembly of the rotary elements and a set of belts as the diameter rises to a final value of the bale.

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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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 18, 1986
GrantedMay 14, 1991
Term endedMay 14, 2008
Patent numberCA 1284057 C
Classification (IPC)A01F15/00 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 18, 1986Patent grantedMay 14, 1991Term endedMay 14, 2008

Sources & verification

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