Hierarchy/Derived subclasses
| 150 / 154 | -> 160 |
uspto searches
Patent Apps in 150/160Granted Patents in 150/160
Use the links above or do an advanced search in ppubs for:
(150/160.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.