Hierarchy/Derived subclasses
55 / 482 | -> 486 | -> 489 |
uspto searches
Patent Apps in 55/489Granted Patents in 55/489
Use the links above or do an advanced search in ppubs for:
(55/489.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.