Hierarchy/Derived subclasses
| 106 / 31.01 | -> 31.13 | -> 31.6 | -> 31.72 | -> 31.73 |
| -> 31.74 |
uspto searches
Patent Apps in 106/31.72Granted Patents in 106/31.72
Use the links above or do an advanced search in ppubs for:
(106/31.72.ccls. or 106/31.73.ccls. or 106/31.74.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.