Hierarchy/Derived subclasses
338 / 13 | -> 32r | -> 32s |
uspto searches
Patent Apps in 338/32SGranted Patents in 338/32S
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.