Hierarchy/Derived subclasses
| 418 / 191 | -> 192 | -> 193 |
uspto searches
Patent Apps in 418/192Granted Patents in 418/192
Use the links above or do an advanced search in ppubs for:
(418/192.ccls. or 418/193.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.