Hierarchy/Derived subclasses
182 / 63.1 | -> 64.1 | -> 68.1 | -> 69.1 | -> 69.2 |
-> 69.3 |
uspto searches
Patent Apps in 182/69.1Granted Patents in 182/69.1
Use the links above or do an advanced search in ppubs for:
(182/69.1.ccls. or 182/69.2.ccls. or 182/69.3.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.