Hierarchy/Derived subclasses
| 396 / 213 | -> 242 | -> 243 |
| -> 244 |
uspto searches
Patent Apps in 396/242Granted Patents in 396/242
Use the links above or do an advanced search in ppubs for:
(396/242.ccls. or 396/243.ccls. or 396/244.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.