USPC Class Details

Description: 84 music / 84 music/(1) instruments (600) electrical musical tone generation (601) data storage (602) digital memory circuit (e.g., ram, rom, etc.) (603) sampling (e.g., with a/d conversion)

Hierarchy/Derived subclasses

84 / 1-> 600-> 601-> 602-> 603

uspto searches

Patent Apps in 84/603

Granted Patents in 84/603

Use the links above or do an advanced search in ppubs for:
(84/603.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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