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Expired Canadian patentCanada

Bale push bar

CA 1318178 C · Owner: Ardueser, William Albert · Inventors: Anstey, Henry Dennis; Ardueser, William Albert

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

Abstract of the Disclosure A U-shaped bale push bar straddles a discharge gate of a large round baler with opposite legs of the bar being respectively pivotally connected to a pair of support brackets which are secured to and project rearwardly alongside the discharge gate from upper rear locations of opposite sidewall sections forming a portion of the baler main frame. A pair of chains are coupled between forward locations of the gate and the legs of the push bar and serve as lost-motion connections that cause the push bar to extend and retract respectively in following relationship to opening and closing movements of the gate such that interference between the gate and a discharged 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 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.
FiledFebruary 22, 1988
GrantedMay 25, 1993
Term endedMay 25, 2010
Patent numberCA 1318178 C
Classification (IPC)A01F15/08 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedFeb 22, 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.