Hierarchy/Derived subclasses
| 132 / 212 | -> 213 | -> 213.1 |
uspto searches
Patent Apps in 132/213.1Granted Patents in 132/213.1
Use the links above or do an advanced search in ppubs for:
(132/213.1.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.