Linear motor driven transfer switch assembly
CA 2129177 C · Owner: Goupil, Bruno · Inventors: Kunert, Armin; Goupil, Bruno
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transfer switch assembly to alternatively connect an electrical load to a primary or to a secondary power source. The transfer switch uses two conventional switches or circuit breakers, having pivot type or linear type actuating members. A conventional linear motor is used. The actuating members of the switches or circuit breakers, are in contact with the movable portion of the linear motor through a coupling mecanism. The coupling mecanism ensures that the switches or circuit breakers, are not in a closed position simultaneously.
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 29, 1994 and granted September 28, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 29, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 29, 2016.
- 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.