Hierarchy/Derived subclasses
63 / 26 | -> 29.1 | -> 29.2 |
-> 30 |
uspto searches
Patent Apps in 63/29.1Granted Patents in 63/29.1
Use the links above or do an advanced search in ppubs for:
(63/29.1.ccls. or 63/29.2.ccls. or 63/30.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.