Structure of sole plate of a roller skate
CA 2370014 A1 · Owner: Yang, Lien-Chuan · Inventors: Yang, Lien-Chuan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sole plate structure of a roller skate wherein, a sole plate is integrally, formed by injection molding of plastic into a flat and elongate shape and is , provided, on both the front and the rear ends thereof with two down protruding blocks; and, every such two protruding blocks are placed therebetween a vibration absorbing member, two wheel axle covers are provided for the pairs of the front and the rear, wheels on the roller skate to have their respective vibration absorbing members and, protruding blocks enveloped and locked with a bolt extending therethrough the, vibration absorbing members can completely absorb the vibrations induced in skating of the roller skate.
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 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 28, 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.