Single-use self-heating container for liquids and/or solids
CA 1284134 C · Owner: Guida, Francesco · Inventors: Guida, Francesco; Randazzo, Giacomino; Guida, Vittorio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The object of the present invention consists in a single-use self-heating container for liquids and/or solids said, container comprising an insulating external envelope a plastic, material vessel, arranged within said envelope and fastened to the same as an integral piece, said vessel being divided into two compartments. i.e. an upper and a lower compartment separated by a membrane; a metallic container for containing solid and/or liquid substances, which is fastened by keying with shrinking-on and thermal welding to said plastic material vessel at the upper position of the same and is closed at the top by a thermally welded diaphragm that can be peeled of; a covering member that seals and …
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
- Granted May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.