Pneumatic radial tire
CA 1069807 A · Owner: Uniroyal Aktiengesellschaft · Inventors: Poque, Dionysius J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pneumatic radial tire having a tread profile having lugs oriented along intersecting convexly curved approximately V-shaped reference lines running substantially transversely to the circumferential center line the tips of the reference lines pointing in opposite directions on either side of the circumferential center line. The tread profile substantially eliminates the oblique pulling effect structurally conditioned with such tires and provides the tire with improved stability in maintaining a rectilinear course.
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 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
- 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.