Athletic shoe
CA 2205388 A1 · Owner: Brissett, Ian · Inventors: Brissett, Ian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
My invention involves the inplantation of a set of compression springs on the inside and base of an athletic shoe in the front area of the shoe. The purpose of this invention is to try and help athletes increase their athletic ability and potential. The invention works like this: The athlete wears the specially made athletic shoes for any particular sport whether it be track, and field, basket-ball volley-ball, or any other sport involving running and jumping. I'll use basket-ball as an example; the athlete will be able to increase his/her jumping potential. When an athlete jumps all of the force and weight is, focused in the front half of the foot ( from the ball to the, toes ). The …
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 16, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 16, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 16, 2019.
- 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.