Hierarchy/Derived subclasses
| 2 / 69 | -> 144 | -> 148 | -> 152.1 | -> 153 |
| -> 154 |
uspto searches
Patent Apps in 2/152.1Granted Patents in 2/152.1
Use the links above or do an advanced search in ppubs for:
(2/152.1.ccls. or 2/153.ccls. or 2/154.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.