Sacrificial anode assembly
CA 2562450 C · Owner: Fosroc International Limited · Inventors: Glass, Gareth; Roberts, Adrian; Davison, Nigel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sacrificial anode assembly for cathodically protecting and/or passivating a metal section, comprising an electrolytic cell a connector attached to , the anode of the cell for electrically connecting the anode to the metal section to be , cathodically protected; and a sacrificial anode electrically connected in series with , the cathode of the cell; wherein the cell is otherwise isolated from the environment , such that current can only flow into and out of the cell via the sacrificial anode and , the connector. The invention also provides a method of cathodically protecting metal in which such a sacrificial anode assembly is cathodically attached to the , metal via the connector …
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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
- Filed April 29, 2005 and granted January 27, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 29, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.