Switch blades
CA 2383016 A1 · Owner: Descoteaux, Felix · Inventors: Descoteaux, Felix
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Switch Blades" bladedskateboard kit enables the rider of an existing skateboard or in-line wheeled scooter to convert it for use on ice. "Switch Blades" are designed to simulate as closely as possible summer skateboarding or scooting across an icy surface. The invention consists of a solid shaped or molded blocks, fabricated, from metal or plastic either encasing a small skateblade or designed without a blade; offered thus in a one piece or two pieceversion.
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 8, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 8, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 8, 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.