Hierarchy/Derived subclasses
273 / 108 | -> 127r | -> 127b |
uspto searches
Patent Apps in 273/127bGranted Patents in 273/127b
Use the links above or do an advanced search in ppubs for:
(273/127b.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.