Multi-roll package of compressible materials
CA 1196263 A · Owner: Isover Saint-Gobain · Inventors: Rias, Jean-Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stack of at least two multiple roll packages of rolls of compressible material, the packages being stacked one upon another and at least one of them having an external wrapping of shrinkable or stretchable plastic material; interconnecting means for the stacked packages comprises shrinkable plastic sheet material at least, one part of which overlies the upper part of the lower package and another part of which overlies the lower part of the upper package; the plastic sheet material is shrunk on external surfaces of both of the packages with which it comes into contact.
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 November 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2002.
- 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.