Footwear with removable foot-supporting member
CA 2730360 C · Owner: Nike Innovate C.V. · Inventors: Valiant, Gordon A.; Martindale, Michael; Greene, Pamela S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An article of footwear is disclosed having an upper a foot-supporting member, and a sole structure. The foot-supporting member includes a heel region located at a greater elevation than a forefoot region thereby defining a recess under the heel region. The sole structure includes a midsole that forms a protrusion on the interior of the footwear. The protrusion mates with the recess to provide support for the heel region. The foot-supporting member may also incorporate pronation control characteristics including a downward cant from a medial to a lateral side of the foot-supporting member and a region of reduced support generally underlying the first metatarsal. To further reduce the rate of …
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 November 8, 2002 and granted March 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 8, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 8, 2024.
- 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.