Springing element for shoe soles, shoe sole and shoe having such element
CA 2452808 A1 · Owner: Braghin, Ireneo · Inventors: Braghin, Ireneo; Testa, Mauro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a springing element for shoe soles consisting of at , least one resilient cap-like member (1). According to the invention the , element has at least one notch, particularly a central cross-shaped notch (2 3) , to divide the cap (1) into at least four independent sectors (4) communicating with each other along the base edge. The notch (2 3) , advantageously acts as a means for limiting the resilience range of the sectors (4) whereby, upon reaching a certain flexing limit the edges of the , sectors (4) come to mutual contact and restrict the range. Pumping means (22 122, 222) are further provided to increase air circulation inside the shoe and air exchange with …
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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 August 7, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 7, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 7, 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.