Hierarchy/Derived subclasses
194 / 247 | -> 260 | -> 261 | -> 262 | -> 264 | -> 266 |
uspto searches
Patent Apps in 194/266Granted Patents in 194/266
Use the links above or do an advanced search in ppubs for:
(194/266.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.