Current limiting contactor
CA 1108680 A · Owner: Westinghouse Electric Corporation · Inventors: Grunert, Kurt A.; Bratkowski, Walter V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
46,666, CURRENT LIMITING CONTACTOR, ABSTRACT OF THE DISCLOSURE A current limiting contactor characterized by stationary and movable contacts, an elongated conductor supporting the movable contact, the conductor being fixedly mounted at a position spaced from the movable contact the conductor, having a looped portion including a pair of overlapping segments for conducting current in opposite directions of each other, the movable contact engaging the stationary contact when conducting a current up to a predetermined current value, and the conductor being comprised of a flexible material and the overlapping portions being separable to move the movable contact away from the stationary contact …
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 September 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 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.