Hierarchy/Derived subclasses
342 / 118 | -> 134 | -> 139 | -> 142 | -> 143 |
uspto searches
Patent Apps in 342/143Granted Patents in 342/143
Use the links above or do an advanced search in ppubs for:
(342/143.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.