Hierarchy/Derived subclasses
| 414 / 22.51 | -> 22.63 | -> 22.65 | -> 22.66 |
| -> 22.67 |
uspto searches
Patent Apps in 414/22.65Granted Patents in 414/22.65
Use the links above or do an advanced search in ppubs for:
(414/22.65.ccls. or 414/22.66.ccls. or 414/22.67.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.