US PATENT SUBCLASS 442 / 273
.~.~.~.~ Including inorganic strand material

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  DF  .~.~.~ Including an additional nonwoven fabric {2}
273.~.~.~.~ Including inorganic strand material

DEFINITION

Classification: 442/273

Including inorganic strand material:

(under subclass 271) Subject matter wherein at least one of the nonwoven fabrics is composed of strand material which is inorganic (e.g., glass, ceramic, carbon, etc.).