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Expired Canadian patentCanada

Livestock feeding apparatus

CA 1235964 A · Owner: Smith (A. O.) Harvestore Products, Inc. · Inventors: Garber, Gary L.; Allhands, Marcus N.

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

Abstract of the Disclosure A livestock feeding apparatus which includes an endless belt conveyor. Feed is supplied to the upper run of the belt and is selectively discharged from either side of the conveyor belt by a feed discharge unit. The feed discharge unit includes a frame mounted to travel in a reciprocating path above the belt and the frame carries a feed diverting plow and a rotatable brush. The plow and brush are disposed in generally parallel arrangement and can be pivoted between a first diagonal position with respect to the side edge of the belt to a second diagonal position. Movement of the conveyor belt is transmitted through a drive mechanism to rotate the brush about its …

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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 3, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 14, 1985
GrantedMay 3, 1988
Term endedMay 3, 2005
Patent numberCA 1235964 A
Classification (IPC)A01K5/00 +1 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedJune 14, 1985Patent grantedMay 3, 1988Term endedMay 3, 2005

Sources & verification

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