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

Hierarchy/Derived subclasses

D21 / 398-> 419-> 420
  -> 421-> 422
   -> 423
  -> 424-> 425
   -> 426
   -> 427-> 428-> 429
    -> 430
    -> 431
    -> 432
    -> 433-> 434
   -> 435

uspto searches

Patent Apps in D21/419

Granted Patents in D21/419

Use the links above or do an advanced search in ppubs for:
(D21/419.ccls. or D21/420.ccls. or D21/421.ccls. or D21/422.ccls. or D21/423.ccls. or D21/424.ccls. or D21/425.ccls. or D21/426.ccls. or D21/427.ccls. or D21/428.ccls. or D21/429.ccls. or D21/430.ccls. or D21/431.ccls. or D21/432.ccls. or D21/433.ccls. or D21/434.ccls. or D21/435.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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