Bean cleaning apparatus
CA 2030322 A1 · Owner: Holter, Larry G. · Inventors: Holter, Larry G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention comprises a bean cleaning apparatus comprising a plurality of pairs of elongated inclined rotating parallel rods. One of the rods in each pair has a spiral groove along its length and the other rod has a smooth cylindrical outer surface. The rods in each pair are mounted to a frame with a space between the rods in each pair narrower than a small bean and with the one rod in its rotation spiralling doward so as to auger the beans downward along the rods. The rods in their rotation in each pair rotating toward one another to move the beans toward the rods and with the engagement of the rods with the beans acting as a abresion to the outer surface of the beans toclean the beans …
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 November 20, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 20, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 20, 2012.
- 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.