Hierarchy/Derived subclasses
414 / 137.1 | -> 141.9 |
uspto searches
Patent Apps in 414/141.9Granted Patents in 414/141.9
Use the links above or do an advanced search in ppubs for:
(414/141.9.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.