Capacitor
CA 1093294 A · Owner: Westinghouse Electric Corporation · Inventors: Mandelcorn, Lyon; Miller, Robert L.; Dakin, Thomas W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
46,517, CAPACITOR, ABSTRACT OF THE DISCLOSURE A capacitor is disclosed of layers of metal foil alternating with insulating sheets impregnated with a dielectric fluid. The dielectric fluid comprises a mixture of 80 to 99% by weight mono-ethylated, mono-propylated or, mono-butylated biphenyl, biphenyl oxide or biphenyl methane, and about 1 to about 20% by weight di-ethylated di-propylated, or di-butylated biphenyl biphenyl oxide, or biphenyl methane.
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 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 13, 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.