Process for increasing strength, flexibility and fatigue life of metals
CA 2501416 C · Owner: Horne, David Hughes · Inventors: Horne, David Hughes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is described for the surface treatment of metals to improve the strength, flexibility , and fatigue life of the metal which in a preferred embodiment includes the steps of thoroughly , cleaning and drying the metal surface etching the surface of the metal to , remove sharp apexes and ends of cracks in the metal surface, water rinsing and drying the metal surface, and coating the , surface with a low water miscible water displacing, low surface tension corrosion preventive , compound.
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
- Filed March 18, 2005 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 18, 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.