Hierarchy/Derived subclasses
| D8 / 14 | -> 49 | -> 50 |
uspto searches
Patent Apps in D8/50Granted Patents in D8/50
Use the links above or do an advanced search in ppubs for:
(D8/50.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.