US PATENT SUBCLASS 428 / 423.4
.~.~ Next to animal skin or membrane

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

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
423.1  DF  .~ Of polyamidoester (polyurethane, polyisocyanate, polycarbamate, etc.) {11}
423.4.~.~ Next to animal skin or membrane

DEFINITION

Classification: 428/423.4

Next to animal skin or membrane:

(under subclass 423.1) Product in which a second contiguous layer is an animal skin or membrane, e.g., leather, etc.