Hierarchy/Derived subclasses
| 372 / 38.1 | -> 38.01 |
| -> 38.02 | |
| -> 38.03 | |
| -> 38.04 | |
| -> 38.05 | |
| -> 38.06 | |
| -> 38.07 | |
| -> 38.08 | |
| -> 38.09 |
uspto searches
Patent Apps in 372/38.1Granted Patents in 372/38.1
Use the links above or do an advanced search in ppubs for:
(372/38.1.ccls. or 372/38.01.ccls. or 372/38.02.ccls. or 372/38.03.ccls. or 372/38.04.ccls. or 372/38.05.ccls. or 372/38.06.ccls. or 372/38.07.ccls. or 372/38.08.ccls. or 372/38.09.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.