Flexible track motor vehicle drive system and the resulting motor vehicle
CA 2431569 C · Owner: Piou, Denis · Inventors: Phely, Olivier; Piou, Denis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The drive device of the invention comprises a ready to fit unit (10) or kit for installing in a detachable manner on one side of a chassis (12) of a motor vehicle (V). The unit comprises a flexible crawler (28)looped round a drive wheel (30) adapted to be mounted on a drive hub (18) of the vehicle and round a tension wheel (32) carried by a support frame (44) which comprises an internal part (46) adapted to be secured in a detachable manner on the chassis (12) remote from the drive shaft (14) an intermediate part (48) adapted to carry the tension wheel (32) and an external part (50) carrying a bearing (52) for the drive wheel (30). The invention is particularly of use for transforming …
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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 June 12, 2003 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 12, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 12, 2025.
- 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.