Switching and heat control mechanism for induction heating cooking apparatus having a plurality of work coils
CA 1092661 A · Owner: Matsushita Electric Industrial Co. Ltd. · Inventors: Kiuchi, Mitsuyuki; Amagami, Keizo; Saegusa, Shigeharu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A switching and heat control mechanism for induction heating cooking apparatus having a plurality of induction heating work coils comprises a single control shaft provided with a plurality of contact operating members a plurality, of switch contact units operable by the corresponding contact operating members to provide different combinations of open and closed circuit conditions for various points of the apparatus in sequence as the control shaft is rotated and an elevating mechanism carrying an associated work coil and operable to move the coil up and down in response to the angle of rotation of the control shaft so that the gap between it and a work load placed on a nonmagnetic cook top …
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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 December 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 1997.
- 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.