Hierarchy/Derived subclasses
| 346 / 111 | -> 130 | -> 133 |
uspto searches
Patent Apps in 346/133Granted Patents in 346/133
Use the links above or do an advanced search in ppubs for:
(346/133.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.