Tap changing electrical connector for static trip circuit breakers
CA 1115365 A · Owner: General Electric Company · Inventors: Kiesel, George W.; Willard, Henry G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A receptacle having a pocket accommodating the insertion of an insulative printed circuit and is equipped with one set of contacts disposed to one side of the pocket and individually electrically connect-d to a breaker static trip unit. Two additional sets of contacts, disposed to the other side of the pocket are, respectively connected to different secondary winding taps of each of a plurality of phase current transformers. Plural pairs of electrically interconnected conductive strips are printed on opposite sides of the card in positions to connect the contacts of the one set individually to the contacts of either one of the two additional sets, depending upon the orientation of the card …
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 December 29, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 29, 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.