Hierarchy/Derived subclasses
601 / 1 | -> 23 | -> 33 | -> 34 | -> 35 | -> 36 |
uspto searches
Patent Apps in 601/34Granted Patents in 601/34
Use the links above or do an advanced search in ppubs for:
(601/34.ccls. or 601/35.ccls. or 601/36.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.