Hierarchy/Derived subclasses
160 / 130 | -> 218 | -> 229.1 | -> 231.1 | -> 231.2 |
uspto searches
Patent Apps in 160/231.2Granted Patents in 160/231.2
Use the links above or do an advanced search in ppubs for:
(160/231.2.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.