US PATENT SUBCLASS 434 / 345
.~.~ Size or shape of, or aperture in, free element cntrols indication of response correctness

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}
345.~.~ Size or shape of, or aperture in, free element cntrols indication of response correctness

DEFINITION

Classification: 434/345

Size or shape of, or aperture in, free element controls indication of response correctness:

(under subclass 327) Subject matter wherein a freely movable element (e.g.., a card, etc.) has a distinctive configuration, a perforation, or other physical characteristic which is indicative of the correct response to a question or problem.

(1) Note. The element is not directly connected to other means in an examining device. It may be manually placed in position on some other means to actuate the same or it may be loosely contained in a housing and moved into position by a mechanical means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

343, for similar devices which include an electrical component.