Class   434	EDUCATION AND DEMONSTRATION
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DETECTION OR RANGE DETERMINATION OF DISTANT OBJECT BY APPARATUS USING SENSOR OF ELECTROMAGNETIC OR SOUND ENERGY

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. (1 indent ) Radar

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.. (2 indent ) Cathode ray screen display simulated by light means (e.g., light spot projected onto screen, etc.)

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.. (2 indent ) Optical means (e.g., image projector, etc.) or light or sound sensor (e.g., television camera, microphone, etc.) included in a simulator

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.. (2 indent ) Interference simulation

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. (1 indent ) Sonar

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.. (2 indent ) Interference simulation

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.. (2 indent ) Simulation of Doppler shift of echo

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.. (2 indent ) Simulation of plural detector system

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.. (2 indent ) Simulation by use of sound recording

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ORGANIZED ARMED OR UNARMED CONFLICT OR SHOOTING

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. (1 indent ) Self-propelled projectile

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.. (2 indent ) Launched underwater

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. (1 indent ) Aerial warfare

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.. (2 indent ) Bombing

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. (1 indent ) Gunnery

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.. (2 indent ) Gunfire spotting

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.. (2 indent ) Gun recoil simulation

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.. (2 indent ) Gun aiming

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... (3 indent ) Cinematographic or cathode ray screen display

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... (3 indent ) Training apparatus using beam of infrared, visible light, or ultraviolet radiation

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.... (4 indent ) Beam sensor included in apparatus

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... (3 indent ) Means (e.g., target, terrain model, etc.) marked or pierced to simulate projectile impact point

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.. (2 indent ) Gun loading or projectile preparation (e.g., fuse setting, etc.)

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. (1 indent ) Water warfare

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.. (2 indent ) Periscope view simulation

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. (1 indent ) Range finding

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AIRCRAFT WIND DRIFT SIMULATION

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VEHICLE OPERATOR INSTRUCTION OR TESTING

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. (1 indent ) Flight vehicle

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.. (2 indent ) Automatic pilot

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.. (2 indent ) Model viewed and maneuvered by trainee from point remote therefrom

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.. (2 indent ) Helicopter

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.. (2 indent ) Outer space vehicle

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.. (2 indent ) In flight

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... (3 indent ) With simulation of night or reduced visibility flight

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.. (2 indent ) Aircraft, aircraft simulator, or means connected thereto traveling on ground or water during simulated flight training

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.. (2 indent ) Simulation of view from aircraft

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... (3 indent ) View simulating means located on belt or cylinder

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... (3 indent ) View simulating means located on element having spherical surface

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... (3 indent ) Simulation of night or reduced visibility flight

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.... (4 indent ) Runway outlining or approach lights simulated

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... (3 indent ) View simulated by cathode ray screen display

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... (3 indent ) View simulated by projected image

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.. (2 indent ) Simulation of feel of control means (e.g., flight control stick, etc.)

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.. (2 indent ) Ground trainer agitated to simulate rough air buffeting or engine induced vibration of aircraft

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.. (2 indent ) Display or recordation of simulated flight path of ground trainer

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.. (2 indent ) Aircraft sound simulation

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.. (2 indent ) Aircraft or ambient condition simulated electrically or indicated by instrument or alarm

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... (3 indent ) Takeoff or preparation therefor

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... (3 indent ) Aircraft attitude (e.g., roll, etc.)

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... (3 indent ) Ice formation or aircraft weight

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... (3 indent ) Pressure

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... (3 indent ) Propulsion means or accessory

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.. (2 indent ) Tiltable or turnable ground trainer

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... (3 indent ) With fan or simulated propeller

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... (3 indent ) With means for stabilizing trainer when idle

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... (3 indent ) By fluid actuated piston/cylinder ram

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.. (2 indent ) Simulation of flight generated force applied to aircraft occupant

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. (1 indent ) Sail-equipped vehicle

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. (1 indent ) Bicycle or motorcycle

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. (1 indent ) Automobile or truck

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.. (2 indent ) Model viewed and maneuvered by trainee from point remote therefrom

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.. (2 indent ) Driver's skill measured by time or vehicle travel distance

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.. (2 indent ) Recordation of driver's performance

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.. (2 indent ) Real vehicle used in instruction or testing

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... (3 indent ) Vehicle positioned on rollers, belt, or platform

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... (3 indent ) Obstacle or other means contacted by improperly driven vehicle

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.. (2 indent ) Simulation of view from vehicle

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... (3 indent ) View simulating means located on belt or cylinder

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.. (2 indent ) Manipulation of gear shift lever or clutch pedal

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ARCHITECTURE, INTERIOR DECORATION, OR INDUSTRIAL PLANT LAYOUT

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. (1 indent ) Magnet included in display or demonstration

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. (1 indent ) Brick, tile, roofing, or siding

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. (1 indent ) Curtain or wall, ceiling, or floor cover

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.. (2 indent ) Light, mirror, or image projector included in display or demonstration

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.. (2 indent ) Roller-mounted belt or strip included in display or demonstration

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.. (2 indent ) Plaque (e.g., disk, etc.) turnable relative to index (e.g., window in card, etc.) to selectively align different points on plaque therewith

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.. (2 indent ) Building or room interior represented pictorially or by model

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. (1 indent ) Representation of furniture, bathroom or kitchen accessory, or cabinet placeable in different locations on representation of room interior

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VISUAL ART OR CRAFT, ARTISTIC ADORNMENT, OR COLOR TRAINING OR DEMONSTRATION

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. (1 indent ) Sculpture or craft involving manual carving or shaping

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. (1 indent ) Shape defined by filament (e.g., string, etc.)

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. (1 indent ) Color application (e.g., painting, etc.)

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. (1 indent ) Drawing

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.. (2 indent ) Animal or human body model having movable parts

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.. (2 indent ) Stencil

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.. (2 indent ) Tracing

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.. (2 indent ) Model support

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.. (2 indent ) Grid included in drawing aid or scene viewer

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.. (2 indent ) Perspective

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.. (2 indent ) Orthogonal projection

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. (1 indent ) Flower arranging or landscaping

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. (1 indent ) Hair or wig styling

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. (1 indent ) Decorative sewing, needlework, weaving, or textile designing

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. (1 indent ) Design formed of identical or complementary elements

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.. (2 indent ) Strips

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. (1 indent ) Color display

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.. (2 indent ) Personal appearance or wearing apparel

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... (3 indent ) Cosmetic or nail polish

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.. (2 indent ) Produced by spinning means (e.g., plural rotating color disks, etc.)

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.. (2 indent ) Produced by superposed color filters

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.. (2 indent ) Including mixing receptacle or holder for color material

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.. (2 indent ) Including relatively rotatable elements (e.g., concentrically mounted color disks, etc.)

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.. (2 indent ) Automobile

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ASTROLOGY

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BUSINESS OR ECONOMICS

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. (1 indent ) Work schedule

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. (1 indent ) Record keeping

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. (1 indent ) Coin or currency identification or counterfeit detection

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CELESTIAL NAVIGATION

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COMMUNICATION AIDS FOR THE HANDICAPPED

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. (1 indent ) Tactile reading aid (e.g., Braille, etc.)

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.. (2 indent ) Converting information to tactile output

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.. (2 indent ) Braille writing slate

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. (1 indent ) Converting information to sound

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. (1 indent ) Writing guide for the blind

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COMPUTER LOGIC, OPERATION, OR PROGRAMMING INSTRUCTION

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FLUID FLOW OR WAVE MOTION

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FOOD

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GAME, BOARD OR TABLE TYPE

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. (1 indent ) Using playing card

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GEOGRAPHY

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. (1 indent ) Terrestrial globe or accessory therefor

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.. (2 indent ) Relief globe

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.. (2 indent ) Having diverse use (e.g., pencil box, etc.)

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.. (2 indent ) Having magnet associated therewith

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.. (2 indent ) Having plural planar or curved surfaces (e.g., flat or frustoconical surfaces, etc.)

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.. (2 indent ) Rotated by mechanical drive

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.. (2 indent ) Collapsible or arranged for convenient assembly, disassembly, or storage

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... (3 indent ) Inflatable

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.. (2 indent ) With means representing vehicle moving relative to earth

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... (3 indent ) Space vehicle

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.. (2 indent ) With means indicating distance between points on earth

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.. (2 indent ) With means indicating time at different points on earth

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.. (2 indent ) With means demonstrating solar illumination of earth

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.. (2 indent ) With means demonstrating wind currents over earth

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.. (2 indent ) With internal light

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.. (2 indent ) With means to facilitate finding or reading indicia thereon

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.. (2 indent ) With map segment attachable thereto (e.g., continent, nation, etc.)

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.. (2 indent ) With suspension type support

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. (1 indent ) Means indicating time at different points on earth

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. (1 indent ) Map or terrain model

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.. (2 indent ) With model or sample of natural or man-made item associated therewith

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.. (2 indent ) Relief

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.. (2 indent ) Means for facilitating location of different points on map

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HISTORY OR GENEALOGY

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IDENTIFICATION OF PERSON OR HANDWRITING ANALYSIS

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LANGUAGE

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. (1 indent ) Foreign

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. (1 indent ) Shorthand

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. (1 indent ) Alphabet letter formation, recognition, or sequencing

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.. (2 indent ) Letter formed by segments

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.. (2 indent ) Letter displayed upon manipulation of mechanism

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. (1 indent ) Writing or printing by hand

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.. (2 indent ) Tracing

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... (3 indent ) Slotted or grooved path

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.. (2 indent ) Writing sample included in teaching means

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.. (2 indent ) Mechanical means for teaching proper position of body part while writing

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. (1 indent ) Spelling, phonics, word recognition, or sentence formation

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.. (2 indent ) Magnet included in teaching means

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.. (2 indent ) Electrical component included in teaching means

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.. (2 indent ) Color used in teaching means

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.. (2 indent ) Letter or word bearing elements (e.g., cards, blocks, etc.) with interfitting surface configurations

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.. (2 indent ) Letter-bearing elements (e.g., cards, blocks, etc.) selectively aligned to form word or sentence

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... (3 indent ) Letter-bearing belt or reel-mounted strip

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... (3 indent ) Rotatably mounted letter bearing element

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... (3 indent ) Letter-bearing elements slidable between different grooves

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.. (2 indent ) Display of word or picture upon correct manipulation of teaching means

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.. (2 indent ) Crossword puzzle aid

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.. (2 indent ) Reading

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... (3 indent ) Speed

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.... (4 indent ) Projected image of reading matter

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.... (4 indent ) Apertured mask moved past reading matter carrier

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.... (4 indent ) Reading matter carrier moved past viewing position

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.... (4 indent ) Pacer moved down reading matter carrier

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... (3 indent ) Directionality training (e.g., for dyslexics, etc.)

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. (1 indent ) Speech

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MAGNETIC OR GYRO COMPASS

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MEASUREMENT OF LENGTH OR VOLUME

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MATHEMATICS

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. (1 indent ) Base conversion or use of base other than ten

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. (1 indent ) Magnet included in teaching means

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. (1 indent ) Arithmetic

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.. (2 indent ) Chalkboard or equivalent means having readily erasable surface

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.. (2 indent ) Manually manipulated numeral shaped elements

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.. (2 indent ) Numeric value represented by weight placed on balance

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.. (2 indent ) Manually manipulated elements having size proportional to numeric value

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... (3 indent ) Fraction representing elements

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.. (2 indent ) Indicia-bearing belt or reel-mounted strip

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.. (2 indent ) Plaque (e.g., disk, etc.) turnable relative to index (e.g., window in card, etc.) to selectively align different points on plaque therewith

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.. (2 indent ) Plaque slidable relative to index (e.g., window in card, etc.) to selectively align different points on plaque therewith

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.. (2 indent ) Manually manipulated pin or peg

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.. (2 indent ) Electric component included in teaching means

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.. (2 indent ) Keyboard or like manually manipulated array (e.g., slides, levers, etc.)

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.. (2 indent ) Apertured elements threaded on elongate means (e.g., abacus, etc.)

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... (3 indent ) Elements manually placed on or removed from elongate means during use

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.. (2 indent ) Means having number of marks (e.g., dots, etc.) or associated physical units (e.g., sticks, indentations, etc.) corresponding to numeric value

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.. (2 indent ) Rotatable wheel-shaped element (e.g., ring, disc, cylinder, etc.) having indicia on perimeter thereof

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.. (2 indent ) Color used in teaching means

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.. (2 indent ) Ball, block, or disk

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.. (2 indent ) Division or multiplication

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.. (2 indent ) Place value relative to decimal point

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. (1 indent ) Geometry, trigonometry, or physical mathematic model structure

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.. (2 indent ) Pythagorean theorem

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.. (2 indent ) Property of sphere or spheroid

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.. (2 indent ) Property of circle or ellipse

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.. (2 indent ) Demonstration means using relatively turnable elements

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.. (2 indent ) Demonstration means using filament (e.g., string, etc.) to define geometric shape

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METEOROLOGY

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NUCLEAR ENERGY OR RADIOACTIVE RADIATION DETECTION OR SIMULATION

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OCCUPATION

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. (1 indent ) Air traffic control

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. (1 indent ) Audiometry

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. (1 indent ) Code communication

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.. (2 indent ) Visual signalling

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. (1 indent ) Electricity or electronics

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. (1 indent ) Dairying, farming, ranching, or other occupation involving care of plants or animals

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. (1 indent ) Fire fighting

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. (1 indent ) Keyboard operation (e.g., typing, key punching, etc.)

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.. (2 indent ) Means for selectively illuminating character on simulated keyboard

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.. (2 indent ) Means for selectively rendering key operable or inoperable

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.. (2 indent ) Means for selectively producing sound of character

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.. (2 indent ) Practice keyboard having individually depressible keys

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... (3 indent ) With means to display character upon depression of key

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.. (2 indent ) Means on hand or finger for indicating finger to be used

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. (1 indent ) Soldering or welding

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PARLIAMENTARY PROCEDURE

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PSYCHOLOGY

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. (1 indent ) Cooperation of plural pupils

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. (1 indent ) Behavior or performance display (e.g., board for showing completed chores, etc.)

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RADIO NAVIGATION

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. (1 indent ) Light sensor included in simulator of radio navigation equipment

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. (1 indent ) Simulation of upwardly directed airfield or landing approach marker radio beam

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. (1 indent ) Simulated radio signal generated by use of data storage means

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. (1 indent ) Simulated bearing or position or vehicle relative to radio transmitter or directional beam indicated to trainee by instrument

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. (1 indent ) Simulation of radio directional beam carrying Morse code signal

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RELIGION

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. (1 indent ) Rosary

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PHYSICAL EDUCATION

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. (1 indent ) Basketball

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. (1 indent ) Bowling

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. (1 indent ) Dancing

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. (1 indent ) Football, soccer, or rugby

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. (1 indent ) Golf

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. (1 indent ) Skiing

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. (1 indent ) Swimming

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. (1 indent ) Traversing ground (e.g., crawling, running, etc.)

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. (1 indent ) Body model with articulated parts

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. (1 indent ) Picture or image of body included in display or demonstration

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. (1 indent ) Developing or testing coordination

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.. (2 indent ) Associating dissimilar objects with apertures or pegs having matching size, shape, or color

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.. (2 indent ) Manipulation of tool or fastener (e.g., zipper, shoelaces, etc.)

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.. (2 indent ) Tracing

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ANATOMY, PHYSIOLOGY, THERAPEUTIC TREATMENT, OR SURGERY RELATING TO HUMAN BEING

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. (1 indent ) Dentistry

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.. (2 indent ) Means mounting upper and lower tooth models for relative movement

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. (1 indent ) Cardiac massage or artificial respiration

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. (1 indent ) Simulation of body sound

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. (1 indent ) Anatomical representation

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.. (2 indent ) Simulation of flow of body liquid

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.. (2 indent ) Including superposed sheets respectively depicting different body parts

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.. (2 indent ) Head or part thereof

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... (3 indent ) Eye

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.. (2 indent ) Internal organ, blood vessel, or nerve

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... (3 indent ) Female genital

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.. (2 indent ) Skeleton or bone

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... (3 indent ) Palpation or manual force application (e.g., chiropractic adjustment, etc.)

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SCIENCE

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. (1 indent ) Crystal structure model or display having discrete element (e.g., geometric shape, light, etc.) representing atom

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. (1 indent ) Molecular model or display having discrete element representing atom or radical

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.. (2 indent ) Model having helical chain of elements (e.g., DNA model, etc.)

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.. (2 indent ) Atom or radical represented by element formed of sheet material

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. (1 indent ) Model or display demonstrating structure or property of atom or radical

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.. (2 indent ) Indicia chart (e.g., periodic table, etc.)

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. (1 indent ) Means demonstrating physical property (e.g., osmotic pressure, solubility, etc.) of substance

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. (1 indent ) Astronomy

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.. (2 indent ) Representation of light generating celestial body

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... (3 indent ) Light spot

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... (3 indent ) Celestial globe

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.... (4 indent ) And earth representation

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... (3 indent ) Finding or identifying aid

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... (3 indent ) Simulation of sun and earth

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.... (4 indent ) Simulation of motion of earth and another major planet around sun

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.... (4 indent ) And moon

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....• (5 indent ) Moon model moved around earth model by mechanical or electrical means

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....•. (6 indent ) By belt drive

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. (1 indent ) Biology or taxidermy

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.. (2 indent ) Specimen display

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... (3 indent ) Specimen enclosure

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. (1 indent ) Chemistry or metallurgy

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. (1 indent ) Geology

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. (1 indent ) Physics

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.. (2 indent ) Electricity or magnetism

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.. (2 indent ) Statics or dynamics

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.. (2 indent ) Optics

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TELLING TIME OR CALENDAR READING

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VEHICLE MOVEMENT OR TRAFFIC ACCIDENT OR CONDITION

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VOTING MACHINE OR BALLOT MARKING

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CATHODE RAY SCREEN DISPLAY AND AUDIO MEANS

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. (1 indent ) Karaoke

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AUDIO RECORDING AND VISUAL MEANS

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. (1 indent ) Common carrier for visual means and audio recording

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.. (2 indent ) Carrier used with image projector

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.. (2 indent ) Card, sheet, or block

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... (3 indent ) Reading head moved past stationary audio track

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.... (4 indent ) Manually

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. (1 indent ) Image projector

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.. (2 indent ) With code on image carrier for controlling operation of apparatus

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.. (2 indent ) With code on audio carrier for controlling operation of apparatus

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. (1 indent ) Visual information in book form

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. (1 indent ) Audio recording on disk

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AUDIO RECORDING

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. (1 indent ) Listener's voiced response recorded

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. (1 indent ) Operation of apparatus controlled by listener's response to question or problem

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QUESTION OR PROBLEM ELICITING RESPONSE

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. (1 indent ) Cathode ray screen display included in examining means

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. (1 indent ) Image projector included in examining means

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.. (2 indent ) And light detector

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. (1 indent ) Mark transfer sheet (e.g., carbon paper, etc.) included in examining means

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. (1 indent ) Correctness of response indicated to examine by self-operating or examinee actuated means

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.. (2 indent ) Involving heat or chemical reaction

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.. (2 indent ) Involving fluid flow

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.. (2 indent ) Involving magnetic attraction

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.. (2 indent ) By optical element (e.g., mirror, color filter, lens, etc.)

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.. (2 indent ) Reward dispensed for correct answer

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.. (2 indent ) Picture or pattern completed by examinee placing plaques bearing portions thereof in correct relation

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.. (2 indent ) Hand-held element insertable to different depths in apertures respectively representing right and wrong answers

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.. (2 indent ) By means including electrical component

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... (3 indent ) Response of plural examinees communicated to monitor or recorder by electrical signals

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... (3 indent ) Light detector

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... (3 indent ) Part of electric circuit completed when examinee places end of flexible lead, or means connected thereto (e.g., plug, etc.), in contact with another element

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... (3 indent ) Part of electric circuit completed when examinee depresses portion of sheet having electric conductor associated therewith

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... (3 indent ) Part of electric circuit completed when examinee places free element in contact with another element

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.... (4 indent ) Correct answer indicator lamp carried by free element

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... (3 indent ) Question or problem located on endless belt or reel mounted strip

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... (3 indent ) Size or shape of, or aperture in, free element controls indication of response correctness

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... (3 indent ) Correct answer illuminated

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.. (2 indent ) Size or shape of, or aperture in, free element cntrols indication of response correctness

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.. (2 indent ) Correctness of response indicated when examinee physically alters element other than by marking it

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.. (2 indent ) Correct answer displayed on side of element opposite side displaying question or problem

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.. (2 indent ) Correct answer hidden until examinee moves element

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... (3 indent ) Means for receiving examinee's written response

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. (1 indent ) Response of plural examinees communicated to monitor or recorder by electrical signals

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.. (2 indent ) Wireless signals

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.. (2 indent ) With means for indicating first examinee to respond

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. (1 indent ) Grading of response form

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.. (2 indent ) Comparison of response form with standard answer form

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... (3 indent ) Light detector sensing response

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... (3 indent ) Electrical means sensing conductive mark representing response

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... (3 indent ) Means sensing aperture representing response

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.. (2 indent ) Light detector sensing response

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.. (2 indent ) Electrical means sensing conductive mark representing response

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.. (2 indent ) Means sensing aperture representing response

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.. (2 indent ) Means perforating response form at correct answer location

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. (1 indent ) Electrical means for recording examinee's response

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. (1 indent ) Card or sheet for receiving examinee's written, marked, or punched response

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.. (2 indent ) With apertured overlay

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MEANS FOR DEMONSTRATING APPARATUS, PRODUCT, OR SURFACE CONFIGURATION, OR FOR DISPLAYING EDUCATION MATERIAL OR STUDENT'S WORK

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. (1 indent ) Means for simulating abnormal condition

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. (1 indent ) Means for comparing characteristics of plural articles or materials

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. (1 indent ) Superposed indicia bearing sheets, one depicting interior view

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. (1 indent ) Means for displaying article at various stages of manufacture or treatment

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. (1 indent ) Transparent means permitting interior view

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. (1 indent ) Mirror for displaying something (e.g., apparel, hair style, etc.) as it would appear when associated with viewer

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. (1 indent ) Aircraft, spacecraft, or component thereof

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. (1 indent ) Land or water vehicle (e.g., automobile, boat, etc.) or component thereof

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.. (2 indent ) Servicing aid (e.g., lubrication chart, etc.)

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.. (2 indent ) Shock absorber or spring

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.. (2 indent ) Tire, wheel, or brake

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. (1 indent ) Beauty aid or perfume

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. (1 indent ) Burial means or grave maker

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. (1 indent ) Demonstration or display of electrical apparatus or component

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.. (2 indent ) Motor or generator

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. (1 indent ) Fluid filter

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. (1 indent ) Household equipment

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.. (2 indent ) Refrigerator or air conditioner

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.. (2 indent ) Vacuum cleaner

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. (1 indent ) Insulation

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. (1 indent ) Jewelry or monogram

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. (1 indent ) Lock or safe

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. (1 indent ) Lubricant or lubrication

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. (1 indent ) Mechanical power source (e.g., engine, windmill, etc.)

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. (1 indent ) Mining

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. (1 indent ) Pen or pencil

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. (1 indent ) Sport equipment

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. (1 indent ) Toy

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. (1 indent ) Timepiece or component thereof

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. (1 indent ) Wearing apparel

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.. (2 indent ) Displayed on doll or manikin

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.. (2 indent ) Footwear

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... (3 indent ) Hose

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.. (2 indent ) Headwear

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.. (2 indent ) Neckwear

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. (1 indent ) Machine mechanism

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. (1 indent ) Rotatable element having indicia or picture on perimeter thereof

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. (1 indent ) Block or like manually manipulatable object having indicia or picture on face thereof, or three-dimensional form for demonstrating shape

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. (1 indent ) Plaque (e.g., disk, etc.) turnable relative to index (e.g., window in card, etc.) to selectively align different points on plaque therewith

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. (1 indent ) Plaque slidable relative to index (e.g., window in card, etc.) to selectively align different points on plaque therewith

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. (1 indent ) Jigsaw elements having indicia thereon

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. (1 indent ) Manually manipulated pin or peg inserted into display board

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. (1 indent ) Chalkboard or equivalent means having easily erasable surface

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.. (2 indent ) Mark formed by magnetic attraction between materials (e.g., particles in sheet made visible by movement of magnet over sheet, etc.)

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.. (2 indent ) Mark formed by bonding sheet to underlying surface with pressure-applying stylus (e.g., Magic Slate, etc.)

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.. (2 indent ) Erasable surface on endless belt

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.. (2 indent ) Erasable surface on reel-mounted sheet

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.. (2 indent ) Separate elements having erasable surfaces

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... (3 indent ) Relatively swingable

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.. (2 indent ) With pencil holder or sharpener

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.. (2 indent ) With chart, illustration, or indicia

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.. (2 indent ) Chalkboard cleaning means, chalk or eraser holder, or chalk dust receiver

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.. (2 indent ) With ruler, straight edge, or holder therefor

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.. (2 indent ) Pivotal about horizontal axis

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.. (2 indent ) Vertically adjustable

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.. (2 indent ) Attached to wall

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.. (2 indent ) Hand-carried school slate

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... (3 indent ) With rigid corner cap or separate means holding slate frame elements together

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... (3 indent ) With cushion or noise muffler attached to slate frame

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.. (2 indent ) Artificial slate formed of plural constituents

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. (1 indent ) Endless belt or reel-mounted strip having indicia thereon

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. (1 indent ) Apertured mask placed over information bearing surface

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. (1 indent ) Pictorial demonstration or display

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. (1 indent ) Demonstration or display means combined with storage or collection means (e.g., receptacle, scoop, etc.)

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. (1 indent ) Display panel, chart, or graph

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.. (2 indent ) Showing seat or desk location

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DESK, TABLE, OR STUDY BOOTH

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MISCELLANEOUS

	FOREIGN ART COLLECTIONS

FOR000

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