Hierarchy/Derived subclasses
355 / 78 | -> 85 | -> 86 | -> 87 |
uspto searches
Patent Apps in 355/85Granted Patents in 355/85
Use the links above or do an advanced search in ppubs for:
(355/85.ccls. or 355/86.ccls. or 355/87.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.