Hierarchy/Derived subclasses
| 2 / 455 | -> 410 | -> 15 | -> 426 | -> 448 | -> 449 |
uspto searches
Patent Apps in 2/449Granted Patents in 2/449
Use the links above or do an advanced search in ppubs for:
(2/449.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.