Removable tire traction device
CA 2204053 A1 · Owner: Beauchemin, Louis · Inventors: Beauchemin, Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The traction device of the invention is U-shaped unitary and made of a resilient polymeric material. It comprises a main web and a pair of side arms flanking the main web. The U-shaped device straddles a vehicle tire with its, main web resting on the tire tread and the device side arms, being adjacent the tire side walls. Inwardly-oriented flanges located on the device side arms frictionally engage the tire side walls under the side arms being resiliently biased against the tire side walls, to help prevent the device from accidental radially outward disengement from the vehicle tire. Manually engageable integral ears are located on the outer surface of the traction device, to allow a forced …
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 April 30, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2019.
- 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.