Hierarchy/Derived subclasses
| 215 / 386 | -> 392 | -> 393 | -> 394 |
uspto searches
Patent Apps in 215/392Granted Patents in 215/392
Use the links above or do an advanced search in ppubs for:
(215/392.ccls. or 215/393.ccls. or 215/394.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.