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Expired Canadian patentCanada

Apparatus for feeding livestock

CA 1253407 A · Owner: Chore-Time Equipment, Inc. · Inventors: Coffman, Keith; Swartzendruber, Ray E.

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

Apparatus for feeding livestock comprises a pan accessible to the livestock for feeding therefrom a, container for holding a quantity of feed comprising dry powdered feed material and a mixing chamber. A dispensing mechanism dispenses measured increments of the feed to the mixing chamber and a control valve is coupled with a water supply line for dispensing measured increments of water to the mixing chamber. A mixer is selectively operable for mixing the water with the feed to produce a fluid feed mixture for delivery into the pan.

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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 2, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 2, 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.
FiledFebruary 27, 1986
GrantedMay 2, 1989
Term endedMay 2, 2006
Patent numberCA 1253407 A
Classification (IPC)A01K5/02

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedFeb 27, 1986Patent grantedMay 2, 1989Term endedMay 2, 2006

Sources & verification

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