Filterpan with ring
CA 2021007 A1 · Owner: Vroonland, Christoffel A. J. · Inventors: Vroonland, Christoffel A. J.; Rusche, Emil H.; Van Dort, Gerardus J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: Filterpan with ring, ABSTRACT, The invention relates to an apparatus for preparing a number of consumption units of a beverage as coffee or tea, comprising a combination of a (coffee) making apparatus with water supply means, a filterpan and a disposable filter cartridge which fits into the filterpan which filter pan and, filter cartridge have cooperating parts for forming a watertight seal, a support surface being provided for a vessel for receiving the extract. According to the invention the apparatus is characterized by a water outflow part connecting at least in part to the filter cartridge for water to be poured on said filter cartridge, the water outlet terminating in said …
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 July 12, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 12, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 12, 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.