Hierarchy/Derived subclasses
345 / 418 | -> 581 | -> 589 | -> 596 | -> 597 | -> 598 |
uspto searches
Patent Apps in 345/597Granted Patents in 345/597
Use the links above or do an advanced search in ppubs for:
(345/597.ccls. or 345/598.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.