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Expired Canadian patentCanada

Livestock feeder

CA 1061663 A · Owner: Schoessow · Inventors: Schoessow, John

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

The livestock feeder includes a relatively shallow open top tank having a substantially solid bottom and generally vertical side and end walls, a rack located inside the tank for receiving different types of feed and having a plurality of horizontally spaced frame members which extend upwardly from the tank bottom with their lower ends spaced inwardly from the tank walls to define feeding troughs therebetween, and an outer framework having a plurality of frame members which are arranged to discourage the withdrawal of loose feed from the feeder. In a preferred embodiment the frame members are horizontally spaced in parallel relationship and extend diagonally from the upper extremity of the …

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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 September 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 4, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedSeptember 4, 1979
Term endedSeptember 4, 1996
Patent numberCA 1061663 A
Classification (IPC)A01K5/00

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 4, 1979Term endedSep 4, 1996

Sources & verification

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