Circular knit two-layer upholstery fabric and method
CA 1286514 C · Owner: Lombardi, Victor J. · Inventors: Lombardi, Victor J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The circular knit two-layer upholstery fabric of the present invention has stability and limited stretchability in both coursewise and walewise directions to meet established industry standards. The fabric includes a first layer knit of thermoplastic base yarn and forming stitch loops in wales of successive courses to provide a technical face side. A second layer is formed of lay-in yarn extending generally coursewise and in a sinuous manner along the juncture of the stitch loops of certain courses of the first layer and provides a technical back side constituting the exposed wear surface of the fabric. The lay-in yarn is in the range of two to ten times larger than the base yarn so that …
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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.