US PATENT SUBCLASS 266 / 228
.~.~ By skimming a material

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

200  DF  MEANS FOR MELTING OR VAPORIZING METAL OR TREATING LIQUEFIED METAL {19}
227  DF  .~ By separating metal in a molten mass from undesired material, e.g., slag {3}
228.~.~ By skimming a material

DEFINITION

Classification: 266/228

(under subclass 227) Device having means for drawing off a material floating on the surface of a molten mass.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation,

242.1+, for movable means floating on the surface of a liquid.