USPC Class Details

Description: D21 games, toys, and sports goods / d21 games, toys, and sports goods/(300) game or gambling article (334) board or surface (350) simulative (355) sport or playing field (356) baseball

Hierarchy/Derived subclasses

D21 / 300

-> 334

-> 350

-> 355

-> 356

uspto searches

Patent Apps in D21/356

Granted Patents in D21/356

Use the links above or do an advanced search in ppubs for:
(D21/356.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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