USPC Class Details

Description: D21 games, toys, and sports goods / d21 games, toys, and sports goods/(398) toy (419) provision for standing or seated occupant (424) vehicle (427) simulative (431) construction or earth working

Hierarchy/Derived subclasses

D21 / 398

-> 419

-> 424

-> 427

-> 431

uspto searches

Patent Apps in D21/431

Granted Patents in D21/431

Use the links above or do an advanced search in ppubs for:
(D21/431.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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