Hierarchy/Derived subclasses
194 / 293 | -> 294 | -> 295 | -> 298 | -> 299 |
uspto searches
Patent Apps in 194/298Granted Patents in 194/298
Use the links above or do an advanced search in ppubs for:
(194/298.ccls. or 194/299.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.