US PATENT SUBCLASS 209 / 61
.~.~.~.~.~ Cylinders, external

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}
61.~.~.~.~.~ Cylinders, external

DEFINITION

Classification: 209/61

(under subclass 59) Cylindrical or polygonal devices approximating cylinders have their exteriors coated with mercury or its equivalent to which certain of the components adhere.