Hierarchy/Derived subclasses
| 367 / 140 | -> 141 | -> 157 | -> 166 |
uspto searches
Patent Apps in 367/166Granted Patents in 367/166
Use the links above or do an advanced search in ppubs for:
(367/166.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.