Hierarchy/Derived subclasses
292 / 2 | -> 3 | -> 22 |
uspto searches
Patent Apps in 292/22Granted Patents in 292/22
Use the links above or do an advanced search in ppubs for:
(292/22.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.