System for treating a surface
CA 1329068 C · Owner: Transcontinental Marketing Group Inc. · Inventors: Fox, Frank R.; Leys, Cassius W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method are provided for treating a surface to both cover existing graffiti thereon and to facilitate removal of subsequently applied graffiti. A two part, water-based epoxy is initially applied to the surface. After drying thereof, a top coat system including an aliphatic urethane color component a, catalyst and hardener is applied directly over the epoxy and permitted to dry. Upon drying, subsequently applied graffiti may be easily removed by the use of a solvenated cleaner.
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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.