US PATENT SUBCLASS 428 / 292.4
.~.~ Fiber-containing wood product (e.g., hardboard, lumber, or wood board, etc.)

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}
292.1  DF  .~ Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity {7}
292.4.~.~ Fiber-containing wood product (e.g., hardboard, lumber, or wood board, etc.)

DEFINITION

Classification: 428/292.4

Fiber-containing wood product (e.g., hardboard, lumber, or wood board, etc.):

(under subclass 292.1) Subject matter wherein the web or sheet comprises at least one layer in the form of a wood product such as hardboard, lumber, or wood board.