Hierarchy/Derived subclasses
66 / 125r | -> 126r | -> 128 | -> 129 |
uspto searches
Patent Apps in 66/128Granted Patents in 66/128
Use the links above or do an advanced search in ppubs for:
(66/128.ccls. or 66/129.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.