Athletic shoe
CA 2465175 A1 · Owner: Smith, Rudolph · Inventors: Smith, Rudolph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An athletic shoe (10) offers an adjustable support for the wearer's ankle a , means for quickly putting on and removing the shoe and protection to the , wearer's forefoot from impacts. The shoe construction includes a resilient sole portion (14), an ankle surrounding section (20) an instep enclosing , section (24), and a toe section (28). The ankle surrounding section (20) begins at the after end (22) of the sole portion (14) and extends forward to define an opening for a wearer's foot. The toe section (28) extends backward from the forward end of the sole portion. The instep enclosing section (24) is adapted to swing from a first open position (74) to a second closed position , (78) …
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 October 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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.