Hierarchy/Derived subclasses
| 188 / 67 | -> 82.1 | -> 82.7 | -> 82.74 |
| -> 82.77 |
uspto searches
Patent Apps in 188/82.7Granted Patents in 188/82.7
Use the links above or do an advanced search in ppubs for:
(188/82.7.ccls. or 188/82.74.ccls. or 188/82.77.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.