Hierarchy/Derived subclasses
360 / 240 | -> 250 | -> 254 | -> 255.1 | -> 255.2 | -> 255.4 |
uspto searches
Patent Apps in 360/255.4Granted Patents in 360/255.4
Use the links above or do an advanced search in ppubs for:
(360/255.4.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.