Hierarchy/Derived subclasses
607 / 1 | -> 115 | -> 139 | -> 140 |
-> 141 |
uspto searches
Patent Apps in 607/139Granted Patents in 607/139
Use the links above or do an advanced search in ppubs for:
(607/139.ccls. or 607/140.ccls. or 607/141.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.