Hierarchy/Derived subclasses
| 404 / 83 | -> 101 | -> 102 | -> 103 |
uspto searches
Patent Apps in 404/102Granted Patents in 404/102
Use the links above or do an advanced search in ppubs for:
(404/102.ccls. or 404/103.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.