US PATENT SUBCLASS 442 / 271
.~.~.~ Including an additional nonwoven fabric

Current as of: June, 1999
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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}
271.~.~.~ Including an additional nonwoven fabric {2}
272  DF  .~.~.~.~> Additional nonwoven fabric comprises chemically different strand material than the first nonwoven fabric
273  DF  .~.~.~.~> Including inorganic strand material

DEFINITION

Classification: 442/271

Including an additional nonwoven fabric:

(under subclass 270) Subject matter characterized by the presence of two or more nonwoven fabrics which are not paper.