Bulge resistant container
CA 2266205 A1 · Owner: Fort James Operating Company · Inventors: Aloisi, Robert J.; Donner, Benjamin C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A paperboard container for resisting bulging when accommodating a bulk product is disclosed including a substantially planar bottom panel a, substantially continuous side wall extending upwardly from the bottom panel and a brim curl formed about an upper periphery of the side walls with at, least the portion of the side wall extending along the major axis of the container being curved inwardly along its length so as to resist the bulging of, the container when the bulls product is placed therein. In order to assure proper sealing of a lid placed on the container the diameter of the brim curl, extending in the direction of the major axis of the container may be of a greater radius of …
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
- Filed March 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 18, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 18, 2021.
- 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.