Hierarchy/Derived subclasses
416 / 54 | -> 55 |
uspto searches
Patent Apps in 416/55Granted Patents in 416/55
Use the links above or do an advanced search in ppubs for:
(416/55.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.