Autothermic packaging
CA 2480870 A1 · Owner: Genesca Romeu, Isidro · Inventors: Genesca Romeu, Isidro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to autothermic packaging comprising a container (1) for a food product and a first compartment (5) containing a first substance which can react with a second substance that is contained in a second compartment (6) or which can change phases when exposed to conditions in said second compartment (6). Both of the aforementioned compartments (5 6) abut one , another by means of the mouth thereof and are separated by means of a sheet (7) which can be broken from the outside using penetration means (8). At least one heat-conducting wall (9) is shared by the container (1) and the first compartment (5). Moreover, said heat-conducting wall (9) comprises a band (10) …
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 January 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 28, 2024.
- 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.