Foldably constructed force-resisting structures having interior vertical support ribs
CA 2600020 C · Owner: Olvey, Douglas A. · Inventors: Olvey, Douglas A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A foldably constructed force-resisting structure comprises a top member and a bottom member foldably constructed and assembled from one or more blanks of sheet material, preferably corrugated paperboard initially in a flat , condition prior to folding. The top member includes a base panel and at least one side portion folded downwardly from the base panel. The bottom member includes a base panel and at least one side portion folded upwardly from the base panel. The top and bottom members are assembled in nested relation to define an interior of the force-resisting structure between the base panels which are at least substantially parallel to one another. The force-resisting structure …
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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 March 6, 2006 and granted August 5, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 6, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.