Class 57/256 - With natural fibers

Subclass of Class 57 - Textiles: spinning, twisting, and twining
Definition: Subject matter wherein the strand includes staple fibers
No. of patents: 41
Last issue date: 08/10/2010

Number	Title	Issue Date
3960050	Method of making impregnated braided rope A method for the manufacture of fiber ropes, according to which a braid with or without a core is produced, and this assembly, made of high performance, degreased fibers is impregnated by passing it through an impregnation bath, containing polyester ureth...	06/01/1976

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