Magnetic switch
CA 1266500 C · Owner: Aeci Limited · Inventors: Plichta, Bohumil M.J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A magnetically operated switch consisting of one or more encapsulated electrical switches actuated directly by one or more inner magnets which are operated by one or more external magnets polarized to repel the inner magnets. The housing which encapsulates the inner magnet(s) the, switch(es) and the surrounding circuitry is constructed to have at least one substantially planar position which is of non-magnetic material. The encapsulated magnet operated switch is useful for equipment located in hostile or hazardous environments.
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 March 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
- 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.