Device for protection against corrosion
CA 1298568 C · Owner: Padinger, Reinhard · Inventors: Padinger, Reinhard; Schober, Heimo; Herzog, Reinhold
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for cathodic protection against corrosion of metal parts in which any electrolyte present on the surface of the metal parts is positively charged with the aid of an electrode and a voltage source with respect to the metal surface to be protected. The electrode is electrically insulated with respect to the metal parts and rests on the metal surface to be protected, extending linearly or two dimensionally or three dimensionally over wide regions of said metal surface.
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 April 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 2009.
- 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.