Hierarchy/Derived subclasses
| 226 / 108 | -> 118.1 | -> 118.4 | -> 118.5 |
uspto searches
Patent Apps in 226/118.4Granted Patents in 226/118.4
Use the links above or do an advanced search in ppubs for:
(226/118.4.ccls. or 226/118.5.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.