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Class 19/.64 - Fraying (e.g., abrasive)


Subclass of Class 19 - Textiles: fiber preparation
Definition: Inventions in which the staplizing is accomplished by drawing
No. of patents: 1
Last issue date: 03/30/1976


NumberTitleIssue Date
3946548Bulky multifilament yarn and process for manufacturing the same
A multifilament yarn of improved bulkiness is provided. The yarn is composed of two portions, i.e., a relatively dense portion and a blooming, relatively sparse portion, alternately occurring along the length of the yarn. The relatively dense portion is i... 		03/30/1976
 
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