Hierarchy/Derived subclasses
| 177 / 60 | -> 83 | -> 86 | -> 87 | -> 88 |
uspto searches
Patent Apps in 177/87Granted Patents in 177/87
Use the links above or do an advanced search in ppubs for:
(177/87.ccls. or 177/88.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.