Hierarchy/Derived subclasses
314 / 68 | -> 69 | -> 73 | -> 74 |
uspto searches
Patent Apps in 314/73Granted Patents in 314/73
Use the links above or do an advanced search in ppubs for:
(314/73.ccls. or 314/74.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.