Preparing tea with the aid of a tea pad and a coffee maker
CA 2576992 C · Owner: Koninklijke Douwe Egberts B.V. · Inventors: Brouwer, Gustaaf Frans; De Vries, Joost Jan; Perton, Maria Constantina Johanna
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tea pad (1) for preparing tea, more particularly at least one consumption unit of tea, with the aid of a coffee maker (2) while the coffee maker is , provided with a holder (4) for receiving at least one pad filled with a product to be extracted, and means (22) for pressing hot water under pressure through the pad for obtaining an extract while preferably, the applied , pressure of the water is 1- 2 bar the pad being provided with a covering (26) such as filtering paper which is at least partly transmissive to a liquid such as water and which is at least virtually non-transmissive to tea while the covering comprises at least one space which is at least partly filled with tea.
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 August 12, 2005 and granted September 23, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 12, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.