Hierarchy/Derived subclasses
427 / 457 | -> 458 | -> 462 | -> 463 | -> 465 |
uspto searches
Patent Apps in 427/465Granted Patents in 427/465
Use the links above or do an advanced search in ppubs for:
(427/465.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.