Infusion unit
CA 2592579 C · Owner: Burchard, Joern · Inventors: Burchard, Joern
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An infusion unit with a bag part containing an infusion material, preferably tea leaves, and a handle that is connected to the bag part is specified. Such an infusion unit is to be improved in such a way that it is suitable for preparing high--quality infusion beverages, especially for street vending. To this end, the invention proposes that the handle be a plate--type element, preferably made of paper, cardboard or plastic to which the bag part is fastened directly in such a way that viewed in a direction of the elongate extension of the handle it is arranged between opposite ends of the handle such that when the handle and bag part are tilted about 90° from one another, the handle …
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 18, 2005 and granted October 23, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 18, 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.