Hierarchy/Derived subclasses
249 / 1 | -> 10 | -> 11 | -> 12 |
uspto searches
Patent Apps in 249/10Granted Patents in 249/10
Use the links above or do an advanced search in ppubs for:
(249/10.ccls. or 249/11.ccls. or 249/12.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.