Sheet heating element and seat making use of the same
CA 2642012 C · Owner: Panasonic Corporation · Inventors: Ishii, Takahito; Uno, Katsuhiko; Terakado, Seishi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heating element comprising an electrical insulating base material a pair of , electrodes disposed on the base material and a polymer resistor electrically , connected to the electrodes. The polymer resistor comprises a composition of resin crosslinked via either oxygen or nitrogen and mixed in the resin , composition, at least either a fibrous conductor or a flaky conductor.
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 July 13, 2006 and granted January 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 13, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.