Chain for tire
CA 2376254 A1 · Owner: Kim, Jong Gil · Inventors: Kim, Jong Gil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for preventing a slipping of a tire is disclosed. The apparatus for preventing a slipping of a tire includes a wire having separable coupling units connected at both ends of the wire at an inner side of a tire for thereby forming a circle shape having a diameter smaller than an outer diameter of the tire, a plurality of friction pads each having one end connected to the wire at a certain regular distance and extended from the wire across a grounding surface of the tire to an outer side of the tire and arranged along a grounding surface of the tire at a certain regular distance a straight line movement conversion mechanism inserted in an outer center portion of the tire …
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 August 19, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 19, 2022.
- 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.