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PCE
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DIFF Subgroup
G09B 1/30

wherein the elements are adapted to be arranged in co-operation with the support to form symbols (without special support G09B1/40)

Introduced: September 1968

Title

Titles differ between systems:

IPC: wherein the elements are adapted to be arranged in co-operation with the support to form symbols

CPC: wherein the elements are adapted to be arranged in co-operation with the support to form symbols (without special support G09B1/40)

Full Title

Full titles differ between systems:

IPC:

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 > wherein the elements are adapted to be arranged in co-operation with the support to form symbols

CPC:

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 (puzzle-games A63F9/00; advertising or displaying in general G09F) > and having a support carrying or adapted to carry the elements > wherein the elements are adapted to be arranged in co-operation with the support to form symbols (without special support G09B1/40)

No child classifications to compare. This is a leaf node in both IPC and CPC.