Hierarchy/Derived subclasses
414 / 25 |
uspto searches
Patent Apps in 414/25Granted Patents in 414/25
Use the links above or do an advanced search in ppubs for:
(414/25.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.