Hierarchy/Derived subclasses
297 / 188.01 | -> 188.08 | -> 188.09 | -> 188.1 |
uspto searches
Patent Apps in 297/188.09Granted Patents in 297/188.09
Use the links above or do an advanced search in ppubs for:
(297/188.09.ccls. or 297/188.1.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.