US PATENT SUBCLASS 209 / 131
.~ Stratifying

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

127.1  DF  ELECTROSTATIC {7}
131.~ Stratifying

DEFINITION

Classification: 209/131

(under subclass 127.1) Methods and means in which electrostatic charges are employed either alone or associated with other forces to agitate material and cause it to stratify to permit separation of the different strata.