US Patent Class 434
EDUCATION AND DEMONSTRATION-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
1  DF  DETECTION OR RANGE DETERMINATION OF DISTANT OBJECT BY APPARATUS USING SENSOR OF ELECTROMAGNETIC OR SOUND ENERGY {2}
11  DF  ORGANIZED ARMED OR UNARMED CONFLICT OR SHOOTING {5}
28  DF  AIRCRAFT WIND DRIFT SIMULATION
29  DF  VEHICLE OPERATOR INSTRUCTION OR TESTING {4}
72  DF  ARCHITECTURE, INTERIOR DECORATION, OR INDUSTRIAL PLANT LAYOUT {4}
81  DF  VISUAL ART OR CRAFT, ARTISTIC ADORNMENT, OR COLOR TRAINING OR DEMONSTRATION {9}
106  DF  ASTROLOGY
107  DF  BUSINESS OR ECONOMICS {3}
111  DF  CELESTIAL NAVIGATION
112  DF  COMMUNICATION AIDS FOR THE HANDICAPPED {3}
118  DF  COMPUTER LOGIC, OPERATION, OR PROGRAMMING INSTRUCTION
126  DF  FLUID FLOW OR WAVE MOTION
127  DF  FOOD
128  DF  GAME, BOARD OR TABLE TYPE {1}
130  DF  GEOGRAPHY {3}
154  DF  HISTORY OR GENEALOGY
155  DF  IDENTIFICATION OF PERSON OR HANDWRITING ANALYSIS
156  DF  LANGUAGE {6}
186  DF  MAGNETIC OR GYRO COMPASS
187  DF  MEASUREMENT OF LENGTH OR VOLUME
188  DF  MATHEMATICS {4}
217  DF  METEOROLOGY
218  DF  NUCLEAR ENERGY OR RADIOACTIVE RADIATION DETECTION OR SIMULATION
219  DF  OCCUPATION {8}
235  DF  PARLIAMENTARY PROCEDURE
236  DF  PSYCHOLOGY {2}
239  DF  RADIO NAVIGATION {5}
245  DF  RELIGION {1}
247  DF  PHYSICAL EDUCATION {11}
262  DF  ANATOMY, PHYSIOLOGY, THERAPEUTIC TREATMENT, OR SURGERY RELATING TO HUMAN BEING {4}
276  DF  SCIENCE {9}
304  DF  TELLING TIME OR CALENDAR READING
305  DF  VEHICLE MOVEMENT OR TRAFFIC ACCIDENT OR CONDITION
306  DF  VOTING MACHINE OR BALLOT MARKING
307 R  DF  CATHODE RAY SCREEN DISPLAY AND AUDIO MEANS {1}
308  DF  AUDIO RECORDING AND VISUAL MEANS {4}
319  DF  AUDIO RECORDING {2}
322  DF  QUESTION OR PROBLEM ELICITING RESPONSE {8}
365  DF  MEANS FOR DEMONSTRATING APPARATUS, PRODUCT, OR SURFACE CONFIGURATION, OR FOR DISPLAYING EDUCATION MATERIAL OR STUDENT'S WORK {37}
432  DF  DESK, TABLE, OR STUDY BOOTH
433  DF  MISCELLANEOUS