Hierarchy/Derived subclasses
| 177 / 60 | -> 90 | -> 91 | -> 92 | -> 93 |
uspto searches
Patent Apps in 177/93Granted Patents in 177/93
Use the links above or do an advanced search in ppubs for:
(177/93.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.