Hierarchy/Derived subclasses
137 / 87.01 | -> 109 | -> 115.01 | -> 115.03 | -> 115.04 | -> 115.05 |
uspto searches
Patent Apps in 137/115.04Granted Patents in 137/115.04
Use the links above or do an advanced search in ppubs for:
(137/115.04.ccls. or 137/115.05.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.