Hierarchy/Derived subclasses
| 372 / 39 | -> 43.01 | -> 44.01 | -> 50.1 | -> 50.12 | -> 50.122 |
uspto searches
Patent Apps in 372/50.122Granted Patents in 372/50.122
Use the links above or do an advanced search in ppubs for:
(372/50.122.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.