Ground fault circuit interrupter module
CA 1104243 A · Owner: Electromagnetic Industries, Inc. · Inventors: Steve, Lynn B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure The module is composed of the internal electronic circuitry and components of a ground fault circuit interrupter and is designed for use with a power supply system having a neutral conductor and at least one line conductor and carrying current between a source and a load with the neutral, conductor being grounded at the source and the supply system including a system circuit interrupter or circuit breaker operable responsive to application of a potential to an operating element such as a solenoid. The module includes first and second current transformers embracing the neutral conductor and at least one line conductor of the power supply system. A resistor is …
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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 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 1998.
- 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.