Hierarchy/Derived subclasses
| 404 / 83 | -> 118 | -> 119 |
| -> 120 |
uspto searches
Patent Apps in 404/118Granted Patents in 404/118
Use the links above or do an advanced search in ppubs for:
(404/118.ccls. or 404/119.ccls. or 404/120.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.