Fabric lamination of unitary backed hot melt constructed carpet tile
CA 1290917 C · Owner: Hercules Incorporated · Inventors: Goss, Raymond Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A warp resistant tile and method for preparation thereof in which a primary facing layer is secured to a tile backing layer which comprises a laminate having, (a) a top characterizing layer of predetermined weight and bulk, and structural integrity, this layer being generally complementary to the primary facing, and to, (b) a flexible base layer.
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 October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
- 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.