Reversible floor covering structure and method of manufacture
CA 1164505 A · Owner: Phillips Petroleum Company · Inventors: Thorsrud, Agmund K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A unitarily-molded flexible, reversible floor covering including a decorative side having decorative alternating patterns of at least one of different colored polymeric materials different colored fibrous materials different levels of polymeric materials different levels of fibrous materials, or polymeric materials and fibrous materials and a utility side having a plurality of debris-retaining depressions formed in a polymeric mater. A method of molding the floor covering structure in an essentially single step is also described.
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 March 27, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2001.
- 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.