Hierarchy/Derived subclasses
415 / 170.1 | -> 173.1 | -> 173.4 |
uspto searches
Patent Apps in 415/173.4Granted Patents in 415/173.4
Use the links above or do an advanced search in ppubs for:
(415/173.4.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.