Roadway/traffic delineator
CA 1192371 B · Owner: Schmanski, Donald W. · Inventors: Schmanski, Donald W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An upright delineator formed of an impact resistant elongate web, structure which comprises fiber reinforced synthetic material for driving into hard ground wherein the delineator has concurrent characteristics of driveability and flexibility and wherein the product of elastic modulus E and moment of inertia I for the delineator is chosen such that it withstands buckling loads applied at the delineator top during installation and that it establishes elastic character in the delineator to permit non-destructive deformation upon impact allowing passage of a moving vehicle over the delineator with subsequent immediate restoration to an original upright condition.
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
- Granted March 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 1998.
- 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.