Hierarchy/Derived subclasses
126 / 569 | -> 684 | -> 688 | -> 689 |
uspto searches
Patent Apps in 126/689Granted Patents in 126/689
Use the links above or do an advanced search in ppubs for:
(126/689.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.