IPC Main Group
G09B 25/00 Models for purposes not provided for in group , e.g. full-sized devices for demonstration purposes
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- Subclass:
- EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
Related Keywords
MODELSMODELS for studying or calculating of forces on bridges
4 direct subcodes
Child Classifications
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- G09B 25/02 of industrial processes; of machinery
- G09B 25/04 of buildings
- G09B 25/06 for surveying; for geography, e.g. relief models
- G09B 25/08 of scenic effects, e.g. trees, rocks, water surfaces