Low voltage circuit breaker with remote switching function
CA 1252138 A · Owner: Westinghouse Electric Corporation · Inventors: Lee, Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A low voltage circuit breaker with remote switching function characterized by an insulating housing containing manually actuating means for opening and closing separable contacts and a remotely controlled solenoid means for opening the contacts, and the solenoid means being spring biased in the closed contact position only when the manually actuating means is in the closed contact position.
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 4, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 4, 2006.
- 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.