US PATENT SUBCLASS 434 / 330
.~.~ Involving magnetic attraction

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

322  DF  QUESTION OR PROBLEM ELICITING RESPONSE {8}
327  DF  .~ Correctness of response indicated to examine by self-operating or examinee actuated means {12}
330.~.~ Involving magnetic attraction

DEFINITION

Classification: 434/330

Involving magnetic attraction:

(under subclass 327) Subject matter wherein the correctness of the examinee's response involves the attraction of magnetic materials.