Hierarchy/Derived subclasses
| 26 / 71 | -> 80 | -> 82 |
uspto searches
Patent Apps in 26/82Granted Patents in 26/82
Use the links above or do an advanced search in ppubs for:
(26/82.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.