Alternating current power circuit and fuse therefor
CA 1285308 C · Owner: Schneider Limited · Inventors: Klaus, David William; Oakes, Martin Christopher
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fuse for an alternating current power circuit. The fuse comprises an input terminal, a first contact electrically connected to the input terminal, an output terminal and a second contact electrically connected to the output terminal. A fusible element electrically connects the first and second contacts and completes a normal electrical path between the input and output terminals. An arcing contact is positioned in relation to the first contact so as to form a potential arc path between the first contact and the arcing contact, along which path an arc will become established after the fusible element breaks in response to fault current. The arcing contact is electrically connected to a …
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 June 25, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2008.
- 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.