Hierarchy/Derived subclasses
81 / 3.07 | -> 3.08 |
uspto searches
Patent Apps in 81/3.08Granted Patents in 81/3.08
Use the links above or do an advanced search in ppubs for:
(81/3.08.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.