Hierarchy/Derived subclasses
452 / 185 | -> 187 | -> 189 | -> 192 |
uspto searches
Patent Apps in 452/192Granted Patents in 452/192
Use the links above or do an advanced search in ppubs for:
(452/192.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.