Hierarchy/Derived subclasses
360 / 240 | -> 250 | -> 251.1 | -> 251.3 |
uspto searches
Patent Apps in 360/251.3Granted Patents in 360/251.3
Use the links above or do an advanced search in ppubs for:
(360/251.3.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.