Hierarchy/Derived subclasses
| 417 / 65 | -> 151 | -> 152 | -> 153 |
| -> 154 |
uspto searches
Patent Apps in 417/152Granted Patents in 417/152
Use the links above or do an advanced search in ppubs for:
(417/152.ccls. or 417/153.ccls. or 417/154.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.