Container
CA 1114784 A · Owner: Wrightcel Ltd. · Inventors: Mellett, Lee T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for a flexible container for liquids in which a socket is fixed to one wall and the container is filled through this socket. A flap being heat sealable on one surface is attached to one wall of the container and this flap underlies the socket so that after filling the socket can be closed by the flap and the filled container is sealed for transportation. Subsequently the socket can be fitted with a tap which breaks the flap seal and enables the contents of the flexible container to be dispensed. -1a--
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 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 22, 1998.
- 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.