Hierarchy/Derived subclasses
| 137 / 59 | -> 60 |
uspto searches
Patent Apps in 137/60Granted Patents in 137/60
Use the links above or do an advanced search in ppubs for:
(137/60.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.