Hierarchy/Derived subclasses
| 47 / 42 | -> 43 |
uspto searches
Patent Apps in 47/42Granted Patents in 47/42
Use the links above or do an advanced search in ppubs for:
(47/42.ccls. or 47/43.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.