USPC Class Details

Description: 434 education and demonstration / 434 education and demonstration/(188) mathematics (191) arithmetic (205) means having number of marks (e.g., dots, etc.) or associated physical units (e.g., sticks, indentations, etc.) corresponding to numeric value

Hierarchy/Derived subclasses

434 / 188-> 191-> 205

uspto searches

Patent Apps in 434/205

Granted Patents in 434/205

Use the links above or do an advanced search in ppubs for:
(434/205.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.
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