High-frequency heating device
CA 1202374 A · Owner: Tokyo Shibaura Denki Kabushiki Kaisha · Inventors: Aoyama, Shuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An oven structure having an outer case and an inner case disposed within the outer case, both cases being substantially box-like in shape. The inner case positioned at a prescribed distance from an inner surface of the outer case, defines a heating chamber for receiving foodstuffs to be cooked. A heat shielding plate is disposed inside of the outer case and oriented so as to oppose a rear plate of the inner case with a prescribed interval therebetween. The shielding plate divides the space between the inner and outer cases into a first receiving chamber located at the side of a rear wall of the outer case and a second receiving chamber located at the side of the inner case. Heating elements …
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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 March 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 25, 2003.
- 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.