Structure of a sports footwear for roller skates or ice skates
CA 2492548 A1 · Owner: De Lazzari, Dario · Inventors: Zampieri, Claudio; De Lazzari, Dario
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention refers to a structure for a footwear for roller skates or ice skates. The footwear comprises a soft upper (4) a rigid support (5) , provided with a plate (7) from which a pair of arms (8a, 8b) extend upwards to embrace and support laterally the upper (4); the footwear (3) is adapted to be associated to a frame (2) supporting two or more rollers or an ice-skating blade. The footwear further comprises an insole (6) which is made of a , substantially rigid material and is contained within the soft upper (4).
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 19, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 19, 2025.
- 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.