Expanded plastics containers
CA 2408128 A1 · Owner: Gornell, Brian · Inventors: Gornell, Brian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to the moulding of an expanded or foam plastics container (10) with a rim flange (14) projecting radially outwardly from the container side wall (12) about the mouth (13) of the container. This rim flange is similar to the roll type rim flange of a cup thermo-formed from plastics sheet material and is capable of capturing a snap-on lid. The mould tool for moulding the container (10) comprises male and femal mould parts (16 17) which are assembled to form a mould cavity (18) defining the container (10). Heating/cooling cavities (21, 24) are provided in the mould parts adjacent the mould cavity and the heating/cooling cavity (21) in the male mould part is …
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 May 10, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 2023.
- 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.