Hierarchy/Derived subclasses
235 / 435 | -> 439 | -> 454 | -> 462.01 | -> 462.16 | -> 462.18 | -> 462.19 |
uspto searches
Patent Apps in 235/462.18Granted Patents in 235/462.18
Use the links above or do an advanced search in ppubs for:
(235/462.18.ccls. or 235/462.19.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.