Method and apparatus for high velocity dye drainage
CA 2068246 A1 · Owner: Milliken Research Corporation · Inventors: Stewart, William Hogue, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method for alleviating the foam associated with the application of dyes or other liquids to moving textile materials, such as pile carpets, fabrics and the like. This invention may be used with machines in which arrays of individual streams of liquid dye are used to pattern substrates. There is a means for alleviating the foam created in the fluid stream utilized to treat the textile substrate.
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
- Filed May 8, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 8, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 8, 2014.
- 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.