Hierarchy/Derived subclasses
| 100 / 144 | -> 155r | -> 161 | -> 162r | -> 162b |
uspto searches
Patent Apps in 100/162bGranted Patents in 100/162b
Use the links above or do an advanced search in ppubs for:
(100/162b.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.