Sole for footwear or footwear attachment having multilevel cleats for indicating wear and providing enhanced traction and flexibility
CA 2366089 A1 · Owner: Bell, Michael · Inventors: Bell, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ground engaging portion of an article of footwear for enhancing the traction and flexibility of the ground engaging portion has a plurality of multilevel cleats. The, multilevel cleats include a plurality of cleat base elements extending upwardly from a, surface thereof to define a first level of the multilevel cleats. A plurality of cleat top, elements extend upwardly from a surface of a selected cleat base element to define, a second level. The cleat base elements are arranged upon the surface of the ground, engaging portion to define both longitudinal and transverse base element grooves, therebetween. The cleat top elements are disposed upon a cleat base element to define both …
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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 December 21, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 21, 2023.
- 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.