Hierarchy/Derived subclasses
111 / 14 | -> 79 | -> 81 |
uspto searches
Patent Apps in 111/81Granted Patents in 111/81
Use the links above or do an advanced search in ppubs for:
(111/81.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.