US PATENT SUBCLASS 209 / 62
.~.~.~.~.~ Cylinders, internal

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

45  DF  ADHESION {2}
49  DF  .~ Coated surface or mass {1}
50  DF  .~.~ Mercurial {3}
58  DF  .~.~.~ Receivers {3}
59  DF  .~.~.~.~ Rotating {4}
62.~.~.~.~.~ Cylinders, internal

DEFINITION

Classification: 209/62

(under subclass 59) Hollow rotating cylinders or drums have their interiors coated with mercury or its equivalent to cause adhesion of certain of the components of the material treated.