Hierarchy/Derived subclasses
| 472 / 57 | -> 75 | -> 80 |
uspto searches
Patent Apps in 472/80Granted Patents in 472/80
Use the links above or do an advanced search in ppubs for:
(472/80.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.