Hierarchy/Derived subclasses
| 229 / 100 | -> 120 | -> 120.1 |
uspto searches
Patent Apps in 229/120Granted Patents in 229/120
Use the links above or do an advanced search in ppubs for:
(229/120.ccls. or 229/120.1.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.