US PATENT SUBCLASS 428 / 315.7
.~.~.~ Specified thickness of void-containing component (absolute or relative) or numerical cell dimension

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}
304.4  DF  .~ Composite having voids in a component (e.g., porous, cellular, etc.) {14}
315.5  DF  .~.~ Voids specified as micro {2}
315.7.~.~.~ Specified thickness of void-containing component (absolute or relative) or numerical cell dimension

DEFINITION

Classification: 428/315.7

Specified thickness of void-containing component (absolute or relative) or numerical cell dimension:

(under subclass 315.5) Subject matter in which the thickness of a void-containing component is claimed in terms of numbers or in relation to the thickness of another component, e.g., thicker, thinner, etc. or a numerical cell size is claimed, usually expressed in terms of microns, angstroms, etc.