Hierarchy/Derived subclasses
411 / 190 | -> 326 | -> 327 | -> 328 |
-> 329 |
uspto searches
Patent Apps in 411/327Granted Patents in 411/327
Use the links above or do an advanced search in ppubs for:
(411/327.ccls. or 411/328.ccls. or 411/329.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.