US PATENT SUBCLASS 442 / 326
.~ At least three layers

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

320  DF  FELT FABRIC {4}
326.~ At least three layers

DEFINITION

Classification: 442/326

At least three layers:

(under subclass 320) Subject matter wherein the fabric comprises at least two additional distinct layers.