Curling sliding shoe
CA 2194946 A1 · Owner: Herbut, David E. · Inventors: Herbut, David E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is a sliding shoe for use by a participant in the sport of curling and a process for producing it. The sliding shoe is comprised of a lower surface having a shoe planar portion and a shoe recessed portion and a slider affixed to the lower surface and having a sliding planar portion complementary to the shoe planar portion and a slider recessed portion complementary to the shoe recessed portion such that when the shoe is worn on an ice surface by the participant the slider planar, portion contacts the ice surface and the slider recessed portion does not contact the ice surface. Further, the invention is a kit for converting a shoe having a sole, into the, sliding shoe. The kit …
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 January 13, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 13, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 13, 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.