Hierarchy/Derived subclasses
D11 / 1 | -> 3 | -> 26 | -> 7 | -> 29 | -> 30 | -> 31 | -> 32 | |
-> 33 |
uspto searches
Patent Apps in D11/29Granted Patents in D11/29
Use the links above or do an advanced search in ppubs for:
(D11/29.ccls. or D11/30.ccls. or D11/31.ccls. or D11/32.ccls. or D11/33.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.