Hierarchy/Derived subclasses
435 / 440 | -> 468 | -> 470 |
uspto searches
Patent Apps in 435/470Granted Patents in 435/470
Use the links above or do an advanced search in ppubs for:
(435/470.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.