Hierarchy/Derived subclasses
455 / 7 | -> 11.1 | -> 12.1 | -> 13.2 |
uspto searches
Patent Apps in 455/13.2Granted Patents in 455/13.2
Use the links above or do an advanced search in ppubs for:
(455/13.2.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.