Traffic marker with car tire base
CA 2225140 C · Owner: Braverman, Josef J. · Inventors: Braverman, Josef J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A traffic channelizing device has a base unit made from the sidewalls ofused tires and additional tire components such as tread portions or other sidewalls at, least partially secured between the sidewalls. Tread portions may be wound spirally between opposing sidewall portions, or horizontally-arranged sidewalls may be positioned partially between the opposing sidewall portion and may be cut and shaped, to a non-circular inner shape to accommodate barrels which have a non-circular shape. Wire ties or the like are used to bind the sidewalls to produce an irregular exterior shape, so that the devices are not inclined to roll when overturned. The base separates readily from the barrel in the …
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 17, 1997 and granted September 26, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 17, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 17, 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.