Microwave container including higher order mode generation
CA 1279902 C · Owner: Alcan International Limited · Inventors: Keefer, Richard M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a container for heating a foodstuff in a microwave oven using microwave energy at a predetermined frequency. The container is comprised of sidewalls and a bottom. One or a plurality of higher order mode generating units are located on the bottom of the container and protrude into the container. Each higher order mode generating unit includes sidewalls which provide, in conjunction with the sidewalls of the container, boundary conditions which generate higher order modes of microwave energy within the container. As a result, the distribution of microwave energy within the container is more even, and the heat energy for cooking the foodstuff within the …
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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
- Granted February 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 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.