Road safety marker assembly
CA 2382610 A1 · Owner: Farritor, Shane M. · Inventors: Elder, Jeremy L.; Farritor, Shane M.; Rentschler, Mark E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A road safety marker assembly having a road safety marker and a drive wheel supporting at least a portion of the road safety marker above a road surface to permit, movement of the road safety marker assembly relative to the road surface. A motor is, drivingly connected to the drive wheel for driving the drive wheel to self propel the assembly, relative to the road surface. In one embodiment the road safety marker , assembly includes a receiver for receiving a control signal. The motor is electrically connected to the receiver and, is responsive to the signal to drive rotation of the drive wheel to move the assembly relative, to the road surface.
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 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 18, 2024.
- 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.