USPC Class Details

Description: 84 music / 84 music/(1) instruments (600) electrical musical tone generation (647) digital combinational circuit (670) constructional details

Hierarchy/Derived subclasses

84 / 1-> 600-> 647-> 670

uspto searches

Patent Apps in 84/670

Granted Patents in 84/670

Use the links above or do an advanced search in ppubs for:
(84/670.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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