Hierarchy/Derived subclasses
| 378 / 145 | -> 154 | -> 155 |
uspto searches
Patent Apps in 378/154Granted Patents in 378/154
Use the links above or do an advanced search in ppubs for:
(378/154.ccls. or 378/155.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.