Hierarchy/Derived subclasses
224 / 101 | -> 191 | -> 600 | -> 625 | -> 626 |
uspto searches
Patent Apps in 224/625Granted Patents in 224/625
Use the links above or do an advanced search in ppubs for:
(224/625.ccls. or 224/626.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.