Line voltage monitor system
CA 1212998 A · Owner: Superior Electric Company, (The) · Inventors: Borowy, Dennis M.; Senak, Peter, Jr.; Perrins, Allen R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A separate Detector Module and Printer Module are provided. The Printer Module is incorporated in an attache case and has space so that the Detector Module may be carried in the case. A power connection is provided in the case for the Detector Module and a communications connection to the Printer is also provided. The power connection to the Detector is via a separate power cord distinct from the power cord to the Printer. Thus the Detector may be monitoring one power line while the Printer is plugged in to another. The plugs on the ends of the power cords to the Printer and to the Detector have both male and female connectors piggyback so that they may be plugged in to the same power line …
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 October 21, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 21, 2003.
- 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.