Hierarchy/Derived subclasses
| 375 / 240 | -> 240.01 | -> 240.02 | -> 240.03 | -> 240.04 |
uspto searches
Patent Apps in 375/240.04Granted Patents in 375/240.04
Use the links above or do an advanced search in ppubs for:
(375/240.04.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.