Hierarchy/Derived subclasses
| 134 / 201 |
uspto searches
Patent Apps in 134/201Granted Patents in 134/201
Use the links above or do an advanced search in ppubs for:
(134/201.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.