US PATENT SUBCLASS 442 / 274
.~.~.~ Nonwoven fabric layer comprises at least two chemically different fibers

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


442 /   HD   FABRIC (WOVEN, KNITTED, OR NONWOVEN TEXTILE OR CLOTH, ETC.)

181  DF  WOVEN FABRIC (I.E., WOVEN STRAND OR STRIP MATERIAL) {13}
268  DF  .~ Woven fabric including a nonwoven fabric layer other than paper {4}
270  DF  .~.~ Needled {3}
274.~.~.~ Nonwoven fabric layer comprises at least two chemically different fibers

DEFINITION

Classification: 442/274

Nonwoven fabric layer comprises at least two chemically different fibers:

(under subclass 270) Subject matter wherein the nonwoven fabric layer contains two or more fibrous materials having distinctly different chemical characteristics.