Pneumatic tire
CA 1312269 C · Owner: Iuchi, Munenori · Inventors: Iuchi, Munenori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel pneumatic tire is provided which has a tread region and a pair of shoulder regions. The tread region is provided with a pair of circumferentially extending shoulder ribs. One shoulder region is extended radially inwardly from each tread edge. The shoulder regions are each provided with buttress hollows arranged circumferentially at intervals. At least one of the should ribs is provided with circumferentially-extending narrow grooves. Each of the narrow grooves comprise a long main portion a short overlap, portion and an inclined portion extending therebetween to connect the overlap portion with the main portion. The main portion and the overlap portion extend in parallel to the …
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
- Granted January 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2010.
- 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.