Hierarchy/Derived subclasses
| 417 / 65 | -> 151 | -> 158 | -> 159 |
uspto searches
Patent Apps in 417/158Granted Patents in 417/158
Use the links above or do an advanced search in ppubs for:
(417/158.ccls. or 417/159.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.