Process for forming a variable gauge metal sheet into a desired shape
CA 2537521 C · Owner: Lindgren, Bo Axel · Inventors: Wong, Wayne W.C.; Lindgren, Bo Axel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for forming a variable gauge metal sheet into a desired shape. The variable gauge metal sheet has a first surface and a second surface having a , thickness measured at any point on the metal sheet as the distance between the first surface and the second surface, and with the thickness of the metal sheet , being different over a first portion of the sheet than over a second portion of the , sheet. The process comprises forming said metal sheet into a first desired shape , by bending the metal sheet about a first fold line extending through both the first , portion and the second portion to bring segments of the first surface of the metal , sheet on either side of the first …
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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 February 23, 2006 and granted April 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 23, 2026.
- 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.