US PATENT SUBCLASS 209 / 217
.~.~ Reciprocating magnets

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

*  DD  MAGNETIC {2}
213  DF  .~ Paramagnetic {9}
217.~.~ Reciprocating magnets

DEFINITION

Classification: 209/217

(under subclass 213) Methods and means wherein the magnetic elements which effect the attraction of some components reciprocate.