US PATENT SUBCLASS 427 / 442
.~.~ Wax, oil, asphalt, or bitumen containing coating

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}
442.~.~ Wax, oil, asphalt, or bitumen containing coating

DEFINITION

Classification: 427/442

(under subclass 439) Processes wherein the coating contains creosote, wax, oil, asphalt, pitch, tar, or bitumen.

(1) Note. Included herein are any heavy oil or tar like material with properties similar to those materials specifically set out.