Hierarchy/Derived subclasses
205 / 80 | -> 137 | -> 138 | -> 142 |
uspto searches
Patent Apps in 205/142Granted Patents in 205/142
Use the links above or do an advanced search in ppubs for:
(205/142.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.