Method of blending textile fibers
CA 2019068 A1 · Owner: Maschinenfabrik Rieter Ag · Inventors: Faas, Jurg; Demuth, Robert; Moser, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure:, A Method for mixing textile fibers in which differing fibers are removed from fiber bales of different origins forming different components and are mixed, is characterised in that I) at least the following statements or data are fed into a computer:, a) the characteristics of the fibers of the individual components and, b) the desired characteristics of the card sliver or yarn manufactured from the fiber mixture; II) the computer calculates from these statements in accordance with a predetermined computing algorithm a component distribution, i.e. proportions of the different components which with minimised deviation from the desired card sliver or yarn characteristics at …
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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 June 15, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 15, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 15, 2012.
- 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.