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Expired Canadian patentCanada

Bale handling apparatus

CA 1257232 A · Owner: M.K. Martin Enterprise Inc. · Inventors: Martin, Melvin K.

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

A bale handling system which avoids the necessity of using a thrower mechanism. A loading chute guides the bales from the baler to the hay basket. The chute means guides the bales of hay up and into the hay basket without any mechanical assistance being provided aside from the force of the baler ejecting additional bales of hay. The guide means reliably guides the bales of hay to the hay basket even when the baler is turning at sharp angles or is in rough ground.

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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 July 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 11, 2006.
  • 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 2, 1987
GrantedJuly 11, 1989
Term endedJuly 11, 2006
Patent numberCA 1257232 A
Classification (IPC)A01F15/08 +1 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedDec 2, 1987Patent grantedJuly 11, 1989Term endedJuly 11, 2006

Sources & verification

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