Bar graph display for stove
CA 1111112 A · Owner: Rangaire Corporation · Inventors: Tucker, Raymond M. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure The present invention relates to a cook-top bar graph display for indicating heat. The display is comprised of a burner coil adapted to be energized to provide heat and a source of electrical signals for applying electrical energy to energize the coil. A control unit is provided for raising and lowering the electrical energy applied to the coil from the source. A bar graph is provided which is responsive to the control unit for displaying a bar having a length which is representative of the electrical energy applied to the coil. Circuitry is associated with the control unit for causing the bar graph to be increased in length at a faster rate than the bar graph is …
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 October 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 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.