Hierarchy/Derived subclasses
100 / 99 |
uspto searches
Patent Apps in 100/99Granted Patents in 100/99
Use the links above or do an advanced search in ppubs for:
(100/99.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.