Hierarchy/Derived subclasses
| 43 / 4 | -> 42 | -> 42.39 |
uspto searches
Patent Apps in 43/42.39Granted Patents in 43/42.39
Use the links above or do an advanced search in ppubs for:
(43/42.39.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.