US PATENT SUBCLASS 427 / 440
.~.~ Wood base

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

430.1  DF  IMMERSION OR PARTIAL IMMERSION {7}
439  DF  .~ Cellulosic base {2}
440.~.~ Wood base {1}
441  DF  .~.~.~> Creosote, wax, oil, asphalt, or bitumen containing coating

DEFINITION

Classification: 427/440

(under subclass 439) 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.

SEE OR SEARCH THIS CLASS, SUBCLASS:

291, for injecting coating material into wood wherein a hole is made in the wood base.