Hierarchy/Derived subclasses
| 368 / 203 | -> 204 | -> 205 |
uspto searches
Patent Apps in 368/203Granted Patents in 368/203
Use the links above or do an advanced search in ppubs for:
(368/203.ccls. or 368/204.ccls. or 368/205.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.