Hierarchy/Derived subclasses
62 / 3.1 | -> 3.2 | -> 3.4 |
uspto searches
Patent Apps in 62/3.4Granted Patents in 62/3.4
Use the links above or do an advanced search in ppubs for:
(62/3.4.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.