Mounting and sealing arrangement for resistive heater in microwave oven
CA 1098179 A · Owner: Matsushita Electric Industrial Co. Ltd. · Inventors: Kusunoki, Shigeru; Yoshimura, Hirofumi; Tanaka, Junzo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Microwave Oven Equipped With Electric, Heating Arrangement ABSTRACT OF THE DISCLOSURE, A microwave oven has an electric heating arrangement for surface browning of food, which includes a heater portion having a heater surrounded by a sheath and a power supply base portion enclosed in a metallic cover and having power supply electrodes for the heater portion. A power feeding section having a choke structure for preventing leakage of high frequency waves is provided in one of the walls defining the heating cavity so as to receive the power supply base portion in an opening formed in the choke structure. The sheath is so connected to the metallic cover as to establish good electrical …
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 March 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 1998.
- 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.