Hierarchy/Derived subclasses
273 / 317 | -> 348 | -> 406 |
uspto searches
Patent Apps in 273/406Granted Patents in 273/406
Use the links above or do an advanced search in ppubs for:
(273/406.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.