Hierarchy/Derived subclasses
| 19 / 65r | -> 236 | -> 258 | -> 288 | -> 292 |
uspto searches
Patent Apps in 19/292Granted Patents in 19/292
Use the links above or do an advanced search in ppubs for:
(19/292.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.