Apparatus for grinding coffee bean
CA 2433466 A1 · Owner: Samsung Gwangju Electronics Co. Ltd. · Inventors: Park, Hae Chan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for grinding coffee beans enabling a size of coffee bean grinds to, be easily controlled, is disclosed. The apparatus includes a rotating cutter having, grinding blades at its upper surface and rotated by a motor, a fixed cutter positioned, above the rotating cutter with a spacing therebetween and having grinding , blades at its, lower surface and a central charging inlet formed therethrough a worm wheel , connected, to the fixed cutter to raise and lower the fixed cutter a worm gear engaged , with teeth of, worm wheel to rotate the worm wheel and a control motor to rotate the worm gear in, normal and reverse directions.
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 June 25, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 25, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 2025.
- 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.