Container with integral module for heating or cooling the contents
CA 2235678 C · Owner: Berntsen, James L. · Inventors: Berntsen, James L.; Scudder, James A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container for holding a material, such as food beverage or medicine, includes a cap and a container body. The container body has a material cavity (214) unitarily formed with a reactant cavity (216). The reactant cavity contains a solid reactant (246), and the cap (212) contains a liquid reactant (236) that, when mixed, produce an endothermic or exothermic reaction depending upon the reactants selected. The cap has a tubular body section with an actuator disc (228) closing one end and a breakable barrier (234) closing the other end. With the exception of the barrier the cap is of unitary , construction. The cap has one or more prongs (230) extending from the inner surface of the …
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 October 16, 1996 and granted January 4, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 16, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 2018.
- 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.