Hierarchy/Derived subclasses
462 / 25 | -> 26 | -> 27 | -> 32 | -> 33 | -> 34 |
uspto searches
Patent Apps in 462/33Granted Patents in 462/33
Use the links above or do an advanced search in ppubs for:
(462/33.ccls. or 462/34.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.