Hierarchy/Derived subclasses
| 49 / 208 | -> 260 |
uspto searches
Patent Apps in 49/260Granted Patents in 49/260
Use the links above or do an advanced search in ppubs for:
(49/260.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.