Hierarchy/Derived subclasses
29 / 592 | -> 592.1 | -> 825 | -> 868 | -> 872 | -> 873 |
uspto searches
Patent Apps in 29/872Granted Patents in 29/872
Use the links above or do an advanced search in ppubs for:
(29/872.ccls. or 29/873.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.