Hierarchy/Derived subclasses
429 / 400 | -> 408 | -> 416 | -> 423 | -> 424 |
-> 425 |
uspto searches
Patent Apps in 429/423Granted Patents in 429/423
Use the links above or do an advanced search in ppubs for:
(429/423.ccls. or 429/424.ccls. or 429/425.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.