G09BLevel 3

EDUCATIONAL OR DEMONSTRATION APPLIANCES

**Limiting references (this place does not cover):** - Displaying; Advertizing; Signs; Labels or name-plates; Seals -> G09F

GET/api/v1/systems/patent_cpc/nodes/G09B

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G09B 1/00Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways

G09B 11/00Teaching hand-writing, shorthand, drawing, or painting

G09B 13/00Teaching typing

G09B 15/00Teaching music

G09B 17/00Teaching reading

G09B 19/00Teaching not covered by other main groups of this subclass

G09B 21/00Teaching, or communicating with, the blind, deaf or mute

G09B 23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes

G09B 25/00Models for purposes not provided for in

G09B 27/00Planetaria

G09B 3/00Manually or mechanically operated teaching appliances working with questions and answers

G09B 5/00Electrically-operated educational appliances

G09B 7/00Electrically-operated teaching apparatus or devices working with questions and answers

G09B 9/00Simulators for teaching or training purposes

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