Hierarchy/Derived subclasses
| 184 / 3.1 | -> 3.2 |
uspto searches
Patent Apps in 184/3.1Granted Patents in 184/3.1
Use the links above or do an advanced search in ppubs for:
(184/3.1.ccls. or 184/3.2.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.