Hierarchy/Derived subclasses
52 / 122.1 | -> 125.2 | -> 125.4 | -> 125.5 |
uspto searches
Patent Apps in 52/125.4Granted Patents in 52/125.4
Use the links above or do an advanced search in ppubs for:
(52/125.4.ccls. or 52/125.5.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.