US PATENT SUBCLASS 428 / 490
.~.~ Next to cellulosic

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

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
489  DF  .~ Of bituminous or tarry residue {1}
490.~.~ Next to cellulosic {1}
491  DF  .~.~.~> Paper

DEFINITION

Classification: 428/490

(under subclass 489) Product in which a layer adjacent the bituminous or tarry residue layer is cellulosic*.