Hierarchy/Derived subclasses
132 / 212 | -> 223 | -> 226 | -> 237 | -> 239 | -> 240 |
uspto searches
Patent Apps in 132/240Granted Patents in 132/240
Use the links above or do an advanced search in ppubs for:
(132/240.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.