Electrolytic production of metal with grate provided in solvent melt
CA 1103611 A · Owner: Aluminum Company Of America · Inventors: Foster, Perry A. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for the electrolytic production of metal includes electrolyzing, between anodic and cathodic surface areas, a compound of the metal dissolved in a molter solvent the, combination of compound and solvent being termed the solvent melt, the electrolyzing being performed at a temperature such that the metal is formed in the molten state wherein the improve-, ment includes the provision of cathodic surface area in the form of a grate inserted in the solvent melt.
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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 June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 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.