Brew pot
CA 2333548 A1 · Owner: Rebbe, Klaus · Inventors: Hastenteufel, Harry; Rebbe, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The aim of the invention is to provide a brew pot which facilitates production of a single-vessel brewing machine with two outer filter elements and an outer heating unit. To this end, a bottomless middle part (1) is linked with two hollow lids (2, 3) via gaskets and bent-lever ring closures (5). Since there are no filter elements located on the bottom that stop the supply of heat the , brew pot can be heated from outside via the hollow lids (2 3). At the end of , a partial brewing process a filter disk is inserted into the tension spring (6) in the upper hollow lid and is pushed down to the lower hollow lid and into the tension springs (6) together with the material to be filtered. …
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 February 19, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 19, 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.