Hierarchy/Derived subclasses
| 300 / 12 | -> 14 |
uspto searches
Patent Apps in 300/14Granted Patents in 300/14
Use the links above or do an advanced search in ppubs for:
(300/14.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.