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Expired Canadian patentCanada

Sledge assembly for round balers

CA 1329893 C · Owner: New Holland North America, Inc. · Inventors: Jennings, Richard E.; Seymour, Shaun A.; Potter, Wilburn H.

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 round baler includes an apron having an expandable inner course which cooperates with a sledge assembly to define a bale starting chamber when the sledge assembly is in a bale starting position. The sledge assembly is movable between the bale starting position and a full bale position. The sledge assembly includes a plurality of rollers and an idler roller in engagement with the apron to maintain the apron in close proximity to one of the rollers during movement of the sledge assembly between the bale starting and full bale positions.

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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 31, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 28, 1989
GrantedMay 31, 1994
Term endedMay 31, 2011
Patent numberCA 1329893 C
Classification (IPC)A01F15/00

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMarch 28, 1989Patent grantedMay 31, 1994Term endedMay 31, 2011

Sources & verification

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