Hierarchy/Derived subclasses
60 / 200.1 | -> 204 | -> 205 | -> 219 | -> 220 |
uspto searches
Patent Apps in 60/220Granted Patents in 60/220
Use the links above or do an advanced search in ppubs for:
(60/220.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.