Hierarchy/Derived subclasses
194 / 302 | -> 303 | -> 304 | -> 312 | -> 313 | -> 314 |
uspto searches
Patent Apps in 194/314Granted Patents in 194/314
Use the links above or do an advanced search in ppubs for:
(194/314.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.