Infusion packages and method of making infusion packages
CA 2397293 A1 · Owner: Molins Plc · Inventors: Davis, Paul; Bailey, Thomas William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of manufacturing an infusion package (10) comprising a porous-walled container (12) for an infusible substance and a support for the container by means of which the container can be mounted on a rim of a drinking vessel. The method comprises (i) making cuts in at least one web of a semi-rigid material in a direction transverse to the web length to define a plurality of support members (14), each cut defining a first end (16) of one support member and a second end (20) of an adjacent support member such that the first end includes a projection (18) and the second end includes a recess (22) the cutting of which recess produces the projection; (ii) bringing two such support …
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 January 12, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 12, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 12, 2023.
- 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.