Filter for use in a cartridge for the preparation of a beverage
CA 1300906 C · Owner: Masek, Petr · Inventors: Favre, Eric; Truchement, Bernard; Masek, Petr
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filter for use in a cartridge for the preparation of a beverage, The filter comprises uniformly distributed openings of the same size each in the shape of a truncated cone the diameter of the minor base being between 0.1 and 0.3 mm and that of the major base between 0.2 and 0.5 mm. Fig. 2
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
- Granted May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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.