Hierarchy/Derived subclasses
222 / 173 | -> 608 | -> 613 | -> 623 | -> 624 | -> 625 |
uspto searches
Patent Apps in 222/624Granted Patents in 222/624
Use the links above or do an advanced search in ppubs for:
(222/624.ccls. or 222/625.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.