US PATENT SUBCLASS 442 / 221
.~ Including a foamed layer or component

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}
221.~ Including a foamed layer or component {4}
222  DF  .~.~> Including a free metal or alloy constituent
223  DF  .~.~> Plural foam layers
224  DF  .~.~> Plural fabric layers {1}
226  DF  .~.~> Woven fabric is coated, impregnated, or autogenously bonded {1}

DEFINITION

Classification: 442/221

Including a foamed layer or component:

(under subclass 181) Subject matter including a component or layer specified as being a foam (i.e., a material characterized by a multitude of open or closed cells).