Coffee or tea machine with water filter
CA 2006862 A1 · Owner: Melitta-Werke Bentz & Sohn · Inventors: Hartel Georg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coffee or tea machine has a fresh water container with an outlet connection to a flow-through heater. A waterfilter element provided which fits into a trough formed at the bottom of the container adjacent the outlet connection. The trough is moulded integrally with the container and contoured to match the shape of the filter element which may, be inserted into the trough from the top of the fresh water container and has seals engaging the trough to ensure that water leaving the container through the outlet connection passes through the filter. Apart from this the design of the coffee or tea, making machine may be conventional.
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 December 28, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 28, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 28, 2011.
- 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.