Patent Yard Sign in
Expired Canadian patentCanada

Self-healing metallized film capacitor

CA 1266518 C · Owner: Rice, Herbert L. · Inventors: Rice, Herbert L.; Linzey, Raynor

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Abstract of the Disclosure, A self-healing metallized film capacitor has a dielectric sheet which is metallized with a high resistivity alloy that is chosen so as to provide a desired sheet resistivity for a given metallization thickness. The invention applies to any metallized film capacitor in which electrode metallization thickness and clearability must be controlled.

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 March 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 3, 1986
GrantedMarch 6, 1990
Term endedMarch 6, 2007
Patent numberCA 1266518 C
Classification (IPC)H01G4/32 +1 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedFeb 3, 1986Patent grantedMarch 6, 1990Term endedMarch 6, 2007

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.