US PATENT SUBCLASS 266 / 169
.~ Amalgam-type extraction means

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

168  DF  MEANS FOR TREATING ORES OR FOR EXTRACTING METALS {3}
169.~ Amalgam-type extraction means

DEFINITION

Classification: 266/169

(under subclass 168) Device wherein means are provided for contacting a metal bearing material with mercury such that the metal is drawn from said material by the mercury.

SEE OR SEARCH CLASS

209, Classifying, Separating, and Assorting Solids,

12.1+, and 174+, for processes and apparatus for separating by nonchemical means or procedure, e.g., magnet, amalgamating from liquid suspensions.