Marker for concrete barriers
CA 1295832 C · Owner: Delamere, Peter A. · Inventors: Delamere, Peter A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A marker for concrete safety barriers incorporates a hollow, cylindrical body which is bifurcated from one end to define spaced-apart diverging legs and an end, wall on the other end. Inner walls close the legs and allow them to define pockets which can receive granular material. A reflective sheet material can be affixed to at least part of the exterior. All parts are made of deformable materials such as linear, low-density polyethylene.
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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2009.
- 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.