US PATENT SUBCLASS 428 / 468
.~.~ Next to bituminous or tarry residue

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

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
457  DF  .~ Of metal {8}
468.~.~ Next to bituminous or tarry residue

DEFINITION

Classification: 428/468

(under subclass 457) Product in which a layer contiguous with the metal layer comprises (bituminous or tarry residue*).