Hierarchy/Derived subclasses
293 / 2 | -> 8 |
uspto searches
Patent Apps in 293/8Granted Patents in 293/8
Use the links above or do an advanced search in ppubs for:
(293/8.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.