Hierarchy/Derived subclasses
411 / 190 | -> 259 | -> 276 | -> 285 | -> 288 | -> 289 |
uspto searches
Patent Apps in 411/289Granted Patents in 411/289
Use the links above or do an advanced search in ppubs for:
(411/289.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.