Endless track with various hardnesses for a recreational vehicle
CA 2490127 C · Owner: Dandurand, Jules · Inventors: Dandurand, Jules
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An endless track for a recreational vehicle such as a snowmobile on all- terrain vehicle is formed of an endless body made of rubber material having a ground engaging side and an inner side the outer side displaying a series of longitudinally spaced profiles extending along the track; the track is characterized in that the rubber material of one profile has a hardness which is greater than the hardness of the rubber material of one or more of the succeeding profiles.
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 December 13, 2004 and granted March 6, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 13, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.