US PATENT SUBCLASS 428 / 351
.~.~ Including moisture or waterproof component

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

221  DF  WEB OR SHEET CONTAINING STRUCTURALLY DEFINED ELEMENT OR COMPONENT {9}
343  DF  .~ Adhesive outermost layer {8}
351.~.~ Including moisture or waterproof component

DEFINITION

Classification: 428/351

(under subclass 343) Product in which a component has been made hydrophobic or less hydrophilic (i.e., waterproof or

moistureproof or resistant).