A simplified leakage current circuit breaking and overcurrent protection device
CA 2295286 A1 · Owner: Chung-Jung, Yang · Inventors: Lee-Long, Chen; Chung-Jung, Yang; Ssu-Fung, Lin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a simplified leakage current circuit breaking and overcurrent protection device and more particularly, to a, device that utilizes an induction iron core solenoids, a Hall sensor and, other electronic elements to detect the leakage current and overcurrent in the circuit and a relay to cut off the current flow on the hot wire at the load, end, while the current flow on the neutral wire at the load end remains unbroken. As a result, the leakage current and the overcurrent can be eliminated in order to secure the safety of the products and the personnel and avoid the disasters.
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 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 10, 2022.
- 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.