Hierarchy/Derived subclasses
D8 / 14 | -> 90 | -> 91 | -> 92 |
-> 93 |
uspto searches
Patent Apps in D8/91Granted Patents in D8/91
Use the links above or do an advanced search in ppubs for:
(D8/91.ccls. or D8/92.ccls. or D8/93.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.