Method of extracting, measuring and adding a product
CA 1066237 A · Owner: Chambon, Rene · Inventors: Chambon, Rene
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method of extracting measuring and adding a product. The subject matter of the present invention is a method of extracting and measuring a product and adding said product to a product contained in a hopper. The method according to the invention, of extracting and measuring out a product from a bulk stock and adding said product inside a hopper is essentially charac-terised in that it uses at least three perforated surfaces or plates superimposed on one another and in contact with one another so that the product to be extracted is trapped in the hole(s) in the centre plate between the top plate and the bottom plate by a relative movement of the top plate in relation to the two other plates …
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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 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 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.