Sole arrangement and shoe
CA 2623655 C · Owner: Amark, Mikael · Inventors: Amark, Mikael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a sole arrangement (4) and a shoe (2) comprising such a sole arrangement (4) . The sole arrangement (4) is characterized in that it comprises an upper sole member (20) and a lower sole member (50) wherein the lower sole 5 member (50) is positioned closer to the ground during normal use of the sole arrangement (4) , said lower sole member (50) being movably attached to the upper sole member (20) allowing the lower sole member (50) to move in a vertical direction relative to the upper sole member (20) a , plurality of vertically extending spikes (21) arranged inside the sole arrangement (4) such that the spikes (21) are moveable relative to the lower sole …
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 September 30, 2005 and granted December 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 30, 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.