Hierarchy/Derived subclasses
| 702 / 127 | -> 173 | -> 174 |
| -> 175 |
uspto searches
Patent Apps in 702/173Granted Patents in 702/173
Use the links above or do an advanced search in ppubs for:
(702/173.ccls. or 702/174.ccls. or 702/175.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.