Tyre with inclined elastic support blocks on its outer surface
CA 2046396 A1 · Owner: Shisheng, Li · Inventors: Shisheng, Li
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention a tyre with inclined elastic support blocks on its outer surface, wherein a number of elastic con-, vex blocks are uniformly arranged on and integrated with the outer circumference surface of the tyre, which direct against the rotation direction of the tyre, and in each convex block there is a branch of a ring arbor which inclination direction is in accordance with said convex block. By using this kind of tyre The braking distance of, the vehicle equipped with said tyre is shorter the starting moment, is less and the vehicle has a good comfortability.
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 July 5, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 5, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2013.
- 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.