Disposable filter cartridge for coffee or the like
CA 2330615 A1 · Owner: Baron, Yves · Inventors: Baron, Yves
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable filter cartridge (1) for use in a hot beverage machine. The cartridge (1) comprises two spaced apart layers of porous filter material (10 11) secured to a rigid or semi-rigid ring-shaped support (20) within which is contained the substance (5) to be infused. The cartridge (1) may further comprise internal separators (32, 33) extending inside the support (20) for dispersing the infusing substance (20) more equally within the cartridge (1) and for providing a more solid cartridge (1). The cartridge (1) is particularly useful to allow a user to prepare a hot beverage using an automated vending machine from a selection of infusing substances such as coffee flavors. The …
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 March 1, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 1, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 1, 2022.
- 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.