Hierarchy/Derived subclasses
188 / 266 | -> 266.1 | -> 266.2 | -> 266.3 | -> 266.4 |
uspto searches
Patent Apps in 188/266.3Granted Patents in 188/266.3
Use the links above or do an advanced search in ppubs for:
(188/266.3.ccls. or 188/266.4.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.