Thermally insulated synthetic resin container and thermally insulated synthetic resin lid
CA 2214609 A1 · Owner: Nippon Sanso Corporation · Inventors: Kamachi, Hidefumi; Yamada, Masashi; Furuyama, Kensuke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thermally insulated synthetic resin container comprising an inner container and an outer container with a thermoinsulating layer therebetween, wherein one of the inner container and the outer container is formed by means of multilayer molding, and wherein the other container which is, not formed by multilayer molding consists of the two wall, elements which conform with each other and a thermally, insulated synthetic resin lid comprising a top surface wall and a bottom surface wall with a thermoinsulating layer therebetween, wherein one of the top surface wall and the bottom surface wall is formed by means of multilayer molding and, wherein the other wall, which is not formed by …
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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 September 3, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 3, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 3, 2019.
- 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.