Hierarchy/Derived subclasses
| 106 / 15.05 | -> 18.31 |
uspto searches
Patent Apps in 106/18.31Granted Patents in 106/18.31
Use the links above or do an advanced search in ppubs for:
(106/18.31.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.