Sporting surfaces
CA 1303084 C · Owner: A.V. Syntec Pty. Ltd. · Inventors: Bull, Paul Francis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A synthetic sporting surface for tennis courts comprises a laminate of (1) a cushioned porous base layer formed from a matrix of liquid polyurethane polymer mixed with rubber particles;, (2) a layer of curable liquid polyurethane which seals the porous surface of the base layer; (3) an adhesive layer reinforced with non-woven glass fibre cloth; and, (4) an acrylic top coat which acts as a wear layer. The adhesive layer is comprised of a curable acrylic or polyurethane aqueous latex capable of forming strong chemical bonds between the sealant layer and the acrylic top coat to provide a durable cushioned playing surface.
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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.