Lithium batteries
CA 1196375 A · Owner: Polaroid Corporation · Inventors: Bleszinski, Walter, Jr.; Bruder, Alan H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Electrical cells and batteries comprising cathodes formed as slurries of MnO2 and carbon in an organic solution of electrolyte in contact with a copper substrate and sheet, lithium anodes adhered to either a conductive plastic or a roughened copper substrate.
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 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2002.
- 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.