US PATENT SUBCLASS 427 / 138
.~ Asphalt, bitumen, oil, or tar containing coating

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

136  DF  COATING PAVEMENT OR THE EARTH (E.G., ROADMAKING, ETC.) {2}
138.~ Asphalt, bitumen, oil, or tar containing coating {1}
139  DF  .~.~> Rolling

DEFINITION

Classification: 427/138

(under subclass 136) Processes wherein the coating contains asphalt, bitumen, oil, or tar.

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