Hierarchy/Derived subclasses
| 200 / 1r | -> 6r | -> 11r | -> 11d | -> 11da |
uspto searches
Patent Apps in 200/11DGranted Patents in 200/11D
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.