Hierarchy/Derived subclasses
505 / 800 | -> 810 | -> 811 |
uspto searches
Patent Apps in 505/810Granted Patents in 505/810
Use the links above or do an advanced search in ppubs for:
(505/810.ccls. or 505/811.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.