Hierarchy/Derived subclasses
| 382 / 254 | -> 270 | -> 273 |
uspto searches
Patent Apps in 382/273Granted Patents in 382/273
Use the links above or do an advanced search in ppubs for:
(382/273.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.