Hierarchy/Derived subclasses
| 315 / 76 | -> 77 | -> 82 | -> 83 |
uspto searches
Patent Apps in 315/83Granted Patents in 315/83
Use the links above or do an advanced search in ppubs for:
(315/83.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.