Circuit for controlling multiple rated motors
CA 1187930 A · Owner: Westinghouse Electric Corporation · Inventors: Kellogg, Walter J.; Scott, Arden L.; Seneadza, Samuel K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A circuit comprising a load sensor connected to a multiple rated motor for monitoring the motor load demand and a switching apparatus connected to the source of electrical power for charging the connection of electrical power to the windings of the motor under load in response to the motor load demand.
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 May 28, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 2002.
- 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.