Hierarchy/Derived subclasses
55 / 282 | -> 284 | -> 286 | -> 287 |
uspto searches
Patent Apps in 55/286Granted Patents in 55/286
Use the links above or do an advanced search in ppubs for:
(55/286.ccls. or 55/287.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.