Container
CA 2456488 A1 · Owner: Rosen, Ake · Inventors: Rosen, Ake
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container for liquid contents, comprising a compartment (60) which is defined by flexible walls (58, 59) and whose volume is dependent on the relative position of the walls (58, 59) the walls (58, 59) having rim , portions which engage each other and along which the walls (58 59) are , interconnected in a common connecting portion (32). The container is characterised in that said walls (58, 59) are formed in one piece which is , folded to form said walls (58 59) with rim portions engaging each other. The present invention also concerns a method and a device for producing such a container, as well as a container material and a device for producing such a container material.
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 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2024.
- 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.