Circuit breaker and electrical distribution panel employing the same
CA 2369864 C · Owner: Eaton Corporation · Inventors: Adamson, Wayne Gerald; Seese, Daniel Ray; Matsko, Joseph Jacob
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A circuit breaker includes a set of main separable contacts an operating mechanism for operating the main separable contacts a set of secondary separable contacts in series with the main separable contacts and a solenoid mechanism for operating the secondary separable contacts. A first auxiliary switch is responsive to the operating mechanism and a second auxiliary switch, electrically connected to the first auxiliary switch is responsive to the solenoid mechanism. An input terminal for a control voltage is electrically connected to the first and second auxiliary switches. A first diode is electrically connected with a forward polarity between the first auxiliary switch and an output …
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 January 31, 2002 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 31, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 31, 2024.
- 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.