US PATENT SUBCLASS 442 / 387
.~.~ Mechanically interengaged by needling or impingement of fluid (e.g., gas or liquid stream, etc.)

Current as of: June, 1999
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442 /   HD   FABRIC (WOVEN, KNITTED, OR NONWOVEN TEXTILE OR CLOTH, ETC.)

327  DF  NONWOVEN FABRIC (I.E., NONWOVEN STRAND OR FIBER MATERIAL) {20}
381  DF  .~ Including an additional nonwoven fabric {8}
387.~.~ Mechanically interengaged by needling or impingement of fluid (e.g., gas or liquid stream, etc.) {1}
388  DF  .~.~.~> Needled

DEFINITION

Classification: 442/387

Mechanically interengaged by needling or impingement of fluid (e.g., gas or liquid stream, etc.):

(under subclass 381) Subject matter wherein the first nonwoven fabric is needled or impinged by fluid such as a gas or liquid stream prior to association with the additional nonwoven fabric or the association therewith is by a needling or fluid impingement process.