Device for the perforation of a package of flexible synthetic material
CA 1265476 C · Owner: Cazes, Michel · Inventors: Cazes, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Device for the perforation of a package of flexible synthetic material. A reinforcement is provided protruding towards the interior in relation to the base piece of the body at the level of the zone to be cut. The reinforcement is integral in material with the body. The present invention can be used in packaging of liquids.
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 February 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 2007.
- 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.