Hierarchy/Derived subclasses
| 201 / 32 | -> 33 |
| -> 34 |
uspto searches
Patent Apps in 201/32Granted Patents in 201/32
Use the links above or do an advanced search in ppubs for:
(201/32.ccls. or 201/33.ccls. or 201/34.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.