Cooking appliance
CA 2097553 C · Owner: Kabushiki Kaisha Toshiba · Inventors: Aoshima, Terutaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cooking appliance has a heater for, cooking and a switch which generating an, operational signal. The cooking appliance automatically turns off the heater a predetermined time after a last pressed switch, i.e. automatic power off function. A caution lamp indicates that the heater will automatically be turned off a minute prior to the automatic power off function.
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
- Filed June 2, 1993 and granted January 7, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 2, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 2, 2015.
- 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.