Insert for a collapsible container
CA 1293477 C · Owner: Liqui-Box Corporation · Inventors: Bond, Curtis J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insert member for a collapsible container having a spout comprises an attachment section by means of which the insert can be mounted on the spout and an elongate body section pivotally attached to the attachment section and having a continuous liquid passage along its whole length, this passage being in fluid communication with liquid inside the container. As the walls of the container collapse during emptying the insert member maintains a clear channel for flow of liquid from the interior of the container via the insert member to the spout.
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 December 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 24, 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.