Hierarchy/Derived subclasses
502 / 11 | -> 12 |
uspto searches
Patent Apps in 502/11Granted Patents in 502/11
Use the links above or do an advanced search in ppubs for:
(502/11.ccls. or 502/12.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.