Hierarchy/Derived subclasses
607 / 1 | -> 2 | -> 9 | -> 17 | -> 19 | -> 20 |
uspto searches
Patent Apps in 607/19Granted Patents in 607/19
Use the links above or do an advanced search in ppubs for:
(607/19.ccls. or 607/20.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.