Hierarchy/Derived subclasses
301 / 5.1 | -> 86 | -> 91 | -> 92 | -> 93 |
uspto searches
Patent Apps in 301/93Granted Patents in 301/93
Use the links above or do an advanced search in ppubs for:
(301/93.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.