Hierarchy/Derived subclasses
342 / 165 | -> 167 |
uspto searches
Patent Apps in 342/167Granted Patents in 342/167
Use the links above or do an advanced search in ppubs for:
(342/167.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.