Hierarchy/Derived subclasses
| 368 / 89 | -> 107 | -> 113 | -> 121 | -> 122 |
| -> 123 |
uspto searches
Patent Apps in 368/121Granted Patents in 368/121
Use the links above or do an advanced search in ppubs for:
(368/121.ccls. or 368/122.ccls. or 368/123.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.