Hierarchy/Derived subclasses
208 / 400 | -> 428 | -> 434 |
uspto searches
Patent Apps in 208/434Granted Patents in 208/434
Use the links above or do an advanced search in ppubs for:
(208/434.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.