Hierarchy/Derived subclasses
160 / 130 | -> 166.1 | -> 174r | -> 177r | -> 177v |
uspto searches
Patent Apps in 160/177VGranted Patents in 160/177V
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.