Igniting electrodes
CA 1075763 A · Owner: Djeddah, Jacques L. · Inventors: Djeddah, Jacques L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of manufacturing an igniting electrode for a burner in which an insulating ceramic body has a longitudinal bore therethrough with projections or teeth provided over at least part of its length, and an electrically conducting metal stem of complementary shape to the longitudinal bore is forced into, the bore so that the projections or teeth make an imprint in the surface of the metal stem as it is being inserted into the bore.
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 April 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 1997.
- 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.