Overcurrent switching apparatus
CA 2643129 C · Owner: Dorn, Joerg · Inventors: Dorn, Joerg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In order to form an overcurrent switching apparatus for medium-voltage or high-voltage applications with current detection means for changing over a contact system associated with them from a first state to a second state in the event of a threshold current being exceeded the switching properties of which overcurrent switching apparatus are precise the invention proposes that actuating means are arranged downstream of the current detection means which are in a first current branch, via coupling means which actuating means are designed to change over the contact system which is in a second current branch, from the first to the second state.
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 February 23, 2006 and granted July 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 23, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.