Hierarchy/Derived subclasses
474 / 237 | -> 240 | -> 242 | -> 243 | |
-> 244 | -> 245 |
uspto searches
Patent Apps in 474/242Granted Patents in 474/242
Use the links above or do an advanced search in ppubs for:
(474/242.ccls. or 474/243.ccls. or 474/244.ccls. or 474/245.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.