Hierarchy/Derived subclasses
392 / 441 | -> 449 | -> 458 | -> 461 | -> 462 |
uspto searches
Patent Apps in 392/461Granted Patents in 392/461
Use the links above or do an advanced search in ppubs for:
(392/461.ccls. or 392/462.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.