Expanded metal mesh and coated anode structure
CA 1332374 C · Owner: Pohto, Gerald R. · Inventors: Pohto, Gerald R.; Mitchell, Thomas A.; Brown, Claude M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, This invention relates generally to an electrically conductive valve metal mesh of extreme void fraction. In a most important aspect the invention relates to an application of the mesh as an electrode structure in such a way as to prevent the corrosion of steel including, reinforcing steel in concrete by cathodic protection. To, prepare the electrode structure coiled metal mesh of the, present invention is coated with an electrocatalytic coating from liquid composition. The coating operation can proceed by contacting the mesh with liquid coating composition while the mesh is maintained in coiled form. This highly efficient coating method is continued through a …
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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 October 11, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 11, 2011.
- 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.