Apparatus for processing cattle excrement
CA 1048339 A · Owner: Babson Bros. Co. · Inventors: Shulick, Robert J.; Swanson, Roger; Thompson, Duncan M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an apparatus for separating from ruminant animal feces the undigested fibrous material that is preponderantly short pieces which consist of bundles of capillary tubes. The apparatus includes a supply tank to receive a slurry that contains ruminant animal feces and added liquids including urine, means in the supply tank for agitating the slurry to make it substantially homogeneous and a first stage separator to separate the slurry into a filtrate consisting preponderantly of liquid and fine solids and a, filter mass consisting preponderantly of the short pieces of fibrous material. The separator includes a first stage hopper which is airtight and has an inlet near its lower end …
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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 February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 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.
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.