Interrupter for multisection ac capacitors
CA 1160701 A · Owner: Sprague Electric Company · Inventors: Markarian, Paul M.
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 interrupter is a molded disc of polyphenylene sulfide having three holes in an equilateral triangular array. One side of the disc is flanged around its periphery; the other side has three main ribs extending outwardly from the center, dividing the disc into three equal sections each containing one of the holes. Lateral ribs extend from each side of the main ribs at 60° to the main rib and approximately 25% of the length of the main rib from the center of the disc.
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 January 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2001.
- 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.