Hierarchy/Derived subclasses
157 / 1.1 | -> 1.35 | -> 1.36 | -> 1.37 |
uspto searches
Patent Apps in 157/1.37Granted Patents in 157/1.37
Use the links above or do an advanced search in ppubs for:
(157/1.37.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.