Shoe with a composite insole
CA 2522011 C · Owner: Martini, Giovanni · Inventors: Zanatta, Marco; Bernardel, Lino; Martini, Giovanni
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Shoe comprising an upper (30), a sole (50) and an insole (40; 140) characterized in that it uses an insole (40) formed by at least one element (20; 120) of soft material joined on top of an element (10; 110) of rigid material.
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 May 11, 2004 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 11, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 11, 2026.
- 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.