Snow chain
CA 2379638 A1 · Owner: Hong, Yong Jin · Inventors: Hong, Yong Jin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is described an improved snow chain device for a vehicle tire wherein a number of traction chains are connected between two wires by a number of integrated connectors located at regular intervals along each of the wires each, connector comprising an eyelet formed by a looping of the wires at the regular intervals, the eyelets being adapted for connection to the ends of respective ones of, the traction chains.
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 March 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 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.