Hierarchy/Derived subclasses
55 / 341.1 | -> 341.2 | -> 341.3 |
-> 341.4 |
uspto searches
Patent Apps in 55/341.2Granted Patents in 55/341.2
Use the links above or do an advanced search in ppubs for:
(55/341.2.ccls. or 55/341.3.ccls. or 55/341.4.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.