• All sections
• G - Physics
• G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
• G09B 1/12 - 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 and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support by means of ring-like securing elements

Patent holdings for IPC class G09B 1/12

Total number of patents in this class: 0

10-year publication summary

Principal owners for this class