Tennis shoe and sole therefor
CA 1050263 A · Owner: Uniroyal · Inventors: Stegerwald, Harry R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tennis shoe and a sole therefor having a longer life than a conventional tennis shoe. The Sole has an upwardly extending side portion in a toe region and inside ball-of-the-foot region which is thicker at the junction of the side portion with the bottom portion of the sole than the junction of the up upwardly extending side portion with the bottom portion along the remainder of the side boundary of the sole.
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
- Granted March 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 1996.
- 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.