Hierarchy/Derived subclasses
128 / 846 | -> 869 | -> 885 | -> 886 |
uspto searches
Patent Apps in 128/886Granted Patents in 128/886
Use the links above or do an advanced search in ppubs for:
(128/886.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.