Hierarchy/Derived subclasses
D3 / 201 | -> 318 | -> 323 | -> 324 | -> 325 |
uspto searches
Patent Apps in D3/325Granted Patents in D3/325
Use the links above or do an advanced search in ppubs for:
(D3/325.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.