Opening arrangement for a package
CA 1049427 A · Owner: Ab Ziristor · Inventors: Melle, Hans-Georg; Ericsson, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides an opening arrangement for a package of the type which is provided with a pouring opening located in a preferably plane surface, which opening arrangement comprises a cover strip applied over the pouring opening as well as the surrounding area, the area of the cover strip covering the pouring opening having two or more recessed zones which are situated close to parts of the periphery of the pouring opening and are shaped to extend partly underneath the material edge surrounding the pouring opening.
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 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 1996.
- 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.