Hierarchy/Derived subclasses
474 / 144 | -> 146 | -> 147 |
uspto searches
Patent Apps in 474/147Granted Patents in 474/147
Use the links above or do an advanced search in ppubs for:
(474/147.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.