Hierarchy/Derived subclasses
229 / 100 | -> 101 | -> 101.1 |
-> 101.2 |
uspto searches
Patent Apps in 229/101Granted Patents in 229/101
Use the links above or do an advanced search in ppubs for:
(229/101.ccls. or 229/101.1.ccls. or 229/101.2.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.