Method for making a multi-layer tube
CA 2899058 C · Owner: Ati Properties, Inc. · Inventors: Herb, Brett J.; Graham, Ronald A.; Sutherlin, Richard C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A part of equipment includes a fluid conducting first region including a corrosion resistant first material and a fluid conducting second region including a second material. The first region and the second region are either directly or indirectly joined by solid state welding to form a unitary fluid conducting part. A method for replacing at least one fluid conducting part of equipment is disclosed wherein a replacement part is provided that includes a fluid conducting first region including a corrosion resistant first material and a fluid conducting second region including a second material. The second material is substantially identical to the material of a region of the equipment on …
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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 July 26, 2005 and granted November 7, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 26, 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.