Feeder for animals
CA 2042916 A1 · Owner: Akins, Edward A. · Inventors: Akins, Edward A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A feeder for receiving a bale confined within a cylindrical body of the feeder comprises a cylindrical skirt and a plurality of bars upstanding from the skirt for confining animals outside of the feeder for accessing the bale within the feeder. The skirt is manufactured from a single integral sheet of metal which is bent about parallel horizontal lines to form coplanar skirt portions and flange portions and is then curved to form into the cylindrical shape. The upstanding bars are then simply welded to the skirt portions so that the structural strength for the feeder is provided by the cooperation between the curved and bent skirt sheet and by the vertical bars. The design reduces the …
Read the whole patent
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
- Filed May 21, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.