Hierarchy/Derived subclasses
376 / 100 | -> 121 | -> 133 | -> 134 | -> 135 |
uspto searches
Patent Apps in 376/134Granted Patents in 376/134
Use the links above or do an advanced search in ppubs for:
(376/134.ccls. or 376/135.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.