Hierarchy/Derived subclasses
414 / 137.1 | -> 139.4 | -> 140.8 | -> 140.9 | -> 141.2 |
uspto searches
Patent Apps in 414/141.2Granted Patents in 414/141.2
Use the links above or do an advanced search in ppubs for:
(414/141.2.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.