Hierarchy/Derived subclasses
226 / 97.1 | -> 97.2 |
uspto searches
Patent Apps in 226/97.2Granted Patents in 226/97.2
Use the links above or do an advanced search in ppubs for:
(226/97.2.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.