Hierarchy/Derived subclasses
705 / 1.1 | -> 311 | -> 312 |
uspto searches
Patent Apps in 705/311Granted Patents in 705/311
Use the links above or do an advanced search in ppubs for:
(705/311.ccls. or 705/312.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.