Hierarchy/Derived subclasses
160 / 130 | -> 166.1 | -> 168.1r | -> 170 | -> 171 |
uspto searches
Patent Apps in 160/170Granted Patents in 160/170
Use the links above or do an advanced search in ppubs for:
(160/170.ccls. or 160/171.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.