Sealed flat electrolytic capacitor and method
CA 1136232 A · Owner: Sprague Electric Company · Inventors: Moresi, Joseph A. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A flat capacitor is manufactured by placing an abide foil within a fold of spacer that is within a folded cathode foil, impregnating the assembly with electrolyte, and then heat-sealing the assembly between layers of polymer. The foils have electrode tabs attached thereto that are spaced laterally from each other and extend beyond the same edges of the polymer.
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 November 23, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 1999.
- 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.