TREA

Manually 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

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Industry

  • CPC
  • G09B1/00
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Parent Industries

GPHYSICS G09Cryptography, education, displays G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE MODELS PLANETARIA GLOBES MAPS DIAGRAMS

Current Industry

G09B1/00Manually 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

Sub Industries

G09B1/02and having a support carrying or adapted to carry the elements G09B1/04the elements each bearing a single symbol or a single combination of symbols G09B1/06and being attachable to, or mounted on, the support G09B1/08by means of magnets G09B1/10by means of pins and holes G09B1/12by means of ring-like securing elements G09B1/14the elements being slidably mounted on the support G09B1/16the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time G09B1/18the elements being rotatable G09B1/20and bearing the symbols on a surface parallel to the axis of rotation G09B1/22and bearing the symbols on a surface perpendicular to the axis of rotation G09B1/24the elements being in flexible strip form G09B1/26the elements being arranged in fan form G09B1/28the elements being slidable G09B1/30wherein the elements are adapted to be arranged in co-operation with the support to form symbols G09B1/32comprising elements to be used without a special support G09B1/325the elements comprising interacting electronic components G09B1/34the elements to be placed loosely in adjacent relationship G09B1/36the elements being connectible by corresponding projections and recesses G09B1/38the elements being connectible magnetically G09B1/40to form symbols or signs by appropriate arrangement
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