Hierarchy/Derived subclasses
82 / 117 | -> 149 |
uspto searches
Patent Apps in 82/149Granted Patents in 82/149
Use the links above or do an advanced search in ppubs for:
(82/149.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.