Hierarchy/Derived subclasses
119 / 311 | -> 318 | -> 319 |
uspto searches
Patent Apps in 119/318Granted Patents in 119/318
Use the links above or do an advanced search in ppubs for:
(119/318.ccls. or 119/319.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.