Two box container made of a composite blank and methods therefor
CA 2399530 A1 · Owner: Westvaco Packaging Group, Inc. · Inventors: Thibault, Richard C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container includes a first blank having fold lines and a series of substantially, rectangular panels hingedly connected to one another at the fold lines of the first blank, and a second blank having fold lines and a series of substantially rectangular panels, hingedly connected to one another at the fold lines of the second blank. The first and, second blanks are adhered to one another to form a composite blank that is spirally, foldable to form the double-walled container whereby the first blank forms an , inner box of the container and the second blank forms an outer box of the container that surrounds, the inner box. The first blank forming the inner box may be made of a material …
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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
- Filed August 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 22, 2024.
- 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.