Hierarchy/Derived subclasses
348 / 61 | -> 65 | -> 67 |
uspto searches
Patent Apps in 348/67Granted Patents in 348/67
Use the links above or do an advanced search in ppubs for:
(348/67.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.