Reinforced plastic product
CA 1198256 A · Owner: Munoz, William J. · Inventors: Munoz, George L.; Munoz, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A simulated stone product is formed of a reinforced plastic including a gelcoat layer, a thermoset resin matrix and a backup layer. The gelcoat layer is comprised of a thermoset resin and plasticizer; the matrix includes fillers colorants, and plasticizers dispersed thereon and is laid up on the inner side of the gelcoat layer; and the backup layer is comprised of a polyester sheet impregnated with thermoset resin and plasticizer. The backup layer is laid up on the inner side of the matrix layer. The matrix layer and the backup layer may each include microspheres.
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 December 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 24, 2002.
- 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.