US PATENT SUBCLASS 209 / 182
.~.~.~.~.~.~ With heat treatment

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

132  DF  FLUID SUSPENSION {2}
155  DF  .~ Liquid {5}
162  DF  .~.~ Floating {3}
172  DF  .~.~.~ Gravity liquid {3}
174  DF  .~.~.~.~ Metallic (i.e., amalgamators) {6}
175  DF  .~.~.~.~.~ Processes {3}
182.~.~.~.~.~.~ With heat treatment

DEFINITION

Classification: 209/182

(under subclass 175) Processes involving heat treatment limited to or promotive of amalgamation and having no other utility.

(1) Note. This subclass does not include heat treatment for the purpose of reducing or decomposing ores when not limited to amalgamation or not having utility restricted thereto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

48, for processes of coating material with mercury to facilitate separation by adhesion.

SEE OR SEARCH CLASS

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, for metallurgical processes employing heat.