US PATENT SUBCLASS 434 / 236
PSYCHOLOGY

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

236PSYCHOLOGY {2}
237  DF  .~> Cooperation of plural pupils
238  DF  .~> Behavior or performance display (e.g., board for showing completed chores, etc.)

DEFINITION

Classification: 434/236

PSYCHOLOGY:

(under the class definition) Subject matter relating to the behavioral characteristics of an individual or group.