US PATENT SUBCLASS 427 / 397
.~.~.~.~.~ Wood base

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

331  DF  WITH POST-TREATMENT OF COATING OR COATING MATERIAL {14}
372.2  DF  .~ Heating or drying (e.g., polymerizing, vulcanizing, curing, etc.) {8}
384  DF  .~.~ Organic coating {2}
394  DF  .~.~.~ Textile or cellulosic base {2}
396  DF  .~.~.~.~ Natural cellulose base {1}
397.~.~.~.~.~ Wood base

DEFINITION

Classification: 427/397

(under subclass 396) Processes wherein the base material is derived from the trunks or branches of trees or bushes.

(1) Note. Wood particles or fibers which have been

chemically changed; e.g., regenerated cellulose etc., or water layed to form a paper, are not considered to be wood.