Arcing contact assembly for a circuit breaker
CA 1331035 C · Owner: Buxton, Clifford A. · Inventors: Leone, David A.; Buxton, Clifford A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An assembly adapted to commutate arcs from between the main contacts of a circuit breaker to an arcing contact such that a single arc at the arcing contact can be extinguished and dispersed within an arc chute. The assembly is adapted to be pivotally attached to the ends of the main contact carrying arms and includes are channeling members joined to form a contact surface An arcing contact can be fixed to the contact surface such that the arcs from the main contacts are channelled into one arc at the arcing contact.
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 July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 2011.
- 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.