US PATENT SUBCLASS 442 / 407
.~.~.~ Containing polymeric strand or fiber material

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.)

327  DF  NONWOVEN FABRIC (I.E., NONWOVEN STRAND OR FIBER MATERIAL) {20}
402  DF  .~ Needled nonwoven fabric {1}
403  DF  .~.~ Containing at least two chemically different strand or fiber materials {4}
407.~.~.~ Containing polymeric strand or fiber material

DEFINITION

Classification: 442/407

Containing polymeric strand or fiber material:

(under subclass 403) Subject matter wherein the nonwoven fabric comprises two or more polymeric strand or fiber materials mechanically interengaged by needling.