Hierarchy/Derived subclasses
455 / 403 | -> 422.1 | -> 435.1 | -> 435.2 | -> 435.3 |
uspto searches
Patent Apps in 455/435.1Granted Patents in 455/435.1
Use the links above or do an advanced search in ppubs for:
(455/435.1.ccls. or 455/435.2.ccls. or 455/435.3.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.