Hierarchy/Derived subclasses
83 / 861 | -> 862 | -> 863 | -> 864 |
uspto searches
Patent Apps in 83/863Granted Patents in 83/863
Use the links above or do an advanced search in ppubs for:
(83/863.ccls. or 83/864.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.