Hierarchy/Derived subclasses
| 352 / 72 | -> 78r | -> 78c |
uspto searches
Patent Apps in 352/78RGranted Patents in 352/78R
Use the links above or do an advanced search in ppubs for:
()
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.