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Expired Canadian patentCanada

Feeder for animals

CA 1294498 C · Owner: Akins, Edward A. · Inventors: Akins, Edward A.

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

A feeder for cylindrical bales is of the tombstone type that is it includes a lower circular band defined by hoops and an upstanding sheet of material forming a skirt. U-shaped frames or tombstones are then attached to the outer frame and extend upwardly therefrom with the animal able to reach between the tombstones for grasping feed from a bale confined within the feeder. In accordance with the improvement of the present invention, the tombstones are bent inwardly and upwardly so that the animals front legs ace confined outwardly away from the bale while the animal can reach over the inclined portion of the tombstone and through the vertical portion of the tombstone to the bale. The animal …

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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 January 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 19, 1989
GrantedJanuary 21, 1992
Term endedJanuary 21, 2009
Patent numberCA 1294498 C
Classification (IPC)A01K1/10 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedMay 19, 1989Patent grantedJan 21, 1992Term endedJan 21, 2009

Sources & verification

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