Hierarchy/Derived subclasses
152 / 151 | -> 246 | -> 247 | -> 251 | -> 252 | -> 253 | -> 258 | -> 260 |
uspto searches
Patent Apps in 152/260Granted Patents in 152/260
Use the links above or do an advanced search in ppubs for:
(152/260.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.