Infusion bag for making in particular coffee beverages
CA 1286638 C · Owner: Suchard (Jacobs) Gmbh · Inventors: Nothnagel, Manfred; Bonne, Harry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For preparing infusion beverages in particular, of ground roasted coffee it is necessary to largely ex-, tract the ground roasted coffee within a short time. For this purpose, an infusion bag for making in particular cup portions is made such that, by up and down movements of an actuating handle attached to the infusion bag pumping movements are executed which, in interaction with a pumping chamber , produce a throughflow of two or more subchambers.
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
- Granted July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- 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.