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Expired Canadian patentCanada

Support assembly attached to a large round baler for forming a bale discharge ramp

CA 1318179 C · Owner: Deere & Company · Inventors: Viaud, Jean

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

Abstract of the Disclosure A baling machine for forming large cylindrical bales of hay has a gate which can be raised to enable a completed bale to pass under it for discharge. The bale initially rests on a horizontal support which is biased by a compression spring to swing to a discharge position in which it forms a ramp down which the bale rolls onto the ground. The support is maintained in the horizontal position by an abutment bar on the gate during the time that the gate is closed, but is released on the gate opening. In this way energy from the bale is not used for swinging the ramp, so the bale tends to roll further so that it is properly clear of the gate so as not to interfere 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 May 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 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.
FiledApril 7, 1988
GrantedMay 25, 1993
Term endedMay 25, 2010
Patent numberCA 1318179 C
Classification (IPC)B30B5/06 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedApril 7, 1988Patent grantedMay 25, 1993Term endedMay 25, 2010

Sources & verification

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