Expired Canadian patentCanada
Switching resistor for an electric switching device
CA 2598049 C · Owner: Jaenicke, Lutz-Ruediger · Inventors: Jahn, Heiko; Jaenicke, Lutz-Ruediger
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A switching resistor (7) for an electric switching device (1) comprises an electrically conductive high-resistivity material (9) based on synthetic material.
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 17, 2006 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 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.
FiledFebruary 17, 2006
GrantedDecember 10, 2013
Term endedFebruary 17, 2026
Patent numberCA 2598049 C
Classification (IPC)H01C7/00 +2 more
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.