Hierarchy/Derived subclasses
| 474 / 148 | -> 149 |
| -> 150 |
uspto searches
Patent Apps in 474/148Granted Patents in 474/148
Use the links above or do an advanced search in ppubs for:
(474/148.ccls. or 474/149.ccls. or 474/150.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.