Hierarchy/Derived subclasses
376 / 317 | -> 318 | -> 319 |
uspto searches
Patent Apps in 376/318Granted Patents in 376/318
Use the links above or do an advanced search in ppubs for:
(376/318.ccls. or 376/319.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.