Hierarchy/Derived subclasses
351 / 41 | -> 111 | -> 112 |
uspto searches
Patent Apps in 351/112Granted Patents in 351/112
Use the links above or do an advanced search in ppubs for:
(351/112.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.