Hierarchy/Derived subclasses
474 / 84 | -> 86 | -> 87 |
uspto searches
Patent Apps in 474/86Granted Patents in 474/86
Use the links above or do an advanced search in ppubs for:
(474/86.ccls. or 474/87.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.