Heating apparatus
CA 2089329 C · Owner: Ohta, Nobuaki · Inventors: Ohta, Nobuaki; Sujaku, Takamichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heating apparatus such as microwave ovens includes a menu display for displaying a plurality of cooking menu groups each including a plurality of cooking menus a menu, selecting dial turned in one of two directions so that one of the cooking menu groups displayed on the menu display is selected, the menu selecting dial being turned in the other direction so that one cooking menu is selected from the selected cooking menu group, a heater for heating food to be cooked, and a heating control device for controlling the heater so that heating is automatically executed in accordance with the cooking menu selected by a turn of the menu selecting dial.
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 February 11, 1993 and granted December 29, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 11, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 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.