Device to vary strength of a brewed beverage
CA 2099566 A1 · Owner: English, Philip H. · Inventors: English, Philip H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device (12 26) for brewing a cup or other small portion of a beverage to a desired strength is disclosed. The suitable strength is achieved by controlling the volume of hot water contacting a prepackaged, disposable filter (104) containing beverage precursor particles. The device is adapted to control and vary the brewing process by regulating with some precision volume (X) of hot water flowing through the filter (108) and the volume (4) of hot water bypassing the filter (110) and flowing directly into a drinking cup (102) without having contacting the brew particles. Visual indicators are provided to facilitate choosing a brew of desired strength. The process for preparation of a …
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 6, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2014.
- 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.