Pair of shoes for the sport of curling
CA 1238181 A · Owner: Puma-Sportschuhfabriken Rudolf Dassler Kg. · Inventors: Dassler, Armin A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pair of shoes for the sport of curling according to, the invention, has a first one of the shoes developed as a sliding shoe with a sole or a sole surface having a sliding area comprised of at least supporting areas of a material with a low coefficient of friction with respect to ice and the other shoe, formed as a run-up and drag shoe having a sole or a sole surface with at least tread areas of a material that has a high coefficient of friction with respect to ice, at least relative to that of the first shoe, and at least an outer surface of the toe cap of the upper being formed of a material that has a low coefficient of friction with respect to ice similar to that of the sliding …
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 June 21, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 21, 2005.
- 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.