Hierarchy/Derived subclasses
235 / 435 | -> 439 | -> 454 | -> 462.01 | -> 462.32 | -> 462.33 | -> 462.36 | -> 462.38 | -> 462.39 | -> 462.4 |
uspto searches
Patent Apps in 235/462.39Granted Patents in 235/462.39
Use the links above or do an advanced search in ppubs for:
(235/462.39.ccls. or 235/462.4.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.