Hierarchy/Derived subclasses
68 / 3r | -> 94 | -> 113 | -> 120 | -> 122 | -> 123 |
-> 124 |
uspto searches
Patent Apps in 68/122Granted Patents in 68/122
Use the links above or do an advanced search in ppubs for:
(68/122.ccls. or 68/123.ccls. or 68/124.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.