Anti-slippage device for vehicle tire
CA 2113332 A1 · Owner: Lin, Jung-Fa · Inventors: Lin, Jung-Fa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An anti-slippage device for mounting on a vehicle tire includes a central ring on which a number of gripping members are mounted to extend along radial directions thereof in an angularly equally-spaced manner. Each of the gripping members is an elongated bar having two ends bent along opposite directions to respectively define an L shape and a U shape. A hole is formed on the L-shaped end to fit over a bolt mounted on the central ring to secure the gripping member to the central ring by means of nut. The U-shaped end defines an interior gap large enough to accommodate the cross section of the tire. A number of sharp-ended piercing members are formed on the outside surface of the U-shaped …
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 12, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 12, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 12, 2016.
- 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.