US PATENT SUBCLASS 428 / 216
.~.~.~.~ No layer or component greater than 5 mils thick

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

98  DF  STRUCTURALLY DEFINED WEB OR SHEET (E.G., OVERALL DIMENSION, ETC.) {20}
212  DF  .~ Including components having same physical characteristic in differing degree {3}
213  DF  .~.~ Thickness (relative or absolute) {2}
215  DF  .~.~.~ Absolute thicknesses specified {1}
216.~.~.~.~ No layer or component greater than 5 mils thick

DEFINITION

Classification: 428/216

(under subclass 215) Product in which the thickness of each layer or components as specified does not excess 5 mils or the equivalent.