Hierarchy/Derived subclasses
100 / 70r | -> 92 | -> 303 | -> 304 |
uspto searches
Patent Apps in 100/303Granted Patents in 100/303
Use the links above or do an advanced search in ppubs for:
(100/303.ccls. or 100/304.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.