Safety wheel
CA 2357374 A1 · Owner: Mcneill, Locksley D. · Inventors: Mcneill, Locksley D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
11-, A safety wheel is provided in which a safety tire of solid rubber is arranged to be supported adjacent the pneumatic tire of a vehicle. The safety tire, has an outer diameter which is less than an outer diameter of the pneumatic tire and, is therefore arranged to only support the vehicle thereon when the pneumatic tire is, deflated. In one embodiment, the safety tire and the pneumatic tire are mounted, integrally on a common wheel rim which replaces the existing wheel rim of the vehicle. In a second embodiment, the pneumatic tire is supported on the existing, wheel rim of a vehicle and the safety tire is supported on an auxiliary wheel rim, which attaches to the existing wheel …
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 September 14, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 14, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 14, 2023.
- 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.