Granular material dispenser
CA 1291777 C · Owner: Bishell, Calvin · Inventors: Bishell, Calvin; Bishell, Judith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Granular cattle feed is normally dispensed manually using pails, sacks or open trucks, or from hoppers. Such methods are usually labour intensive, time consuming and wasteful of feed. A solution to the problem involves a large cylindrical drum having a diameter similar to a round bale with a plurality, of cleats extending across the cylindrical end of the drum between the circular sides thereof for causing the drum to rotate when in contact with the ground and a large dispensing, opening between an adjacent pair of cleats for dispensing elongated piles of feed at spaced apart locations along the path of travel of the drum. The device can be pivotally mounted on the rear end of a truck for …
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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 November 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2008.
- 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.