Hierarchy/Derived subclasses
| 194 / 229 | -> 230 | -> 231 | ||
| -> 232 | -> 233 | |||
| -> 234 | -> 235 | -> 236 | ||
| -> 237 | -> 238 |
uspto searches
Patent Apps in 194/229Granted Patents in 194/229
Use the links above or do an advanced search in ppubs for:
(194/229.ccls. or 194/230.ccls. or 194/231.ccls. or 194/232.ccls. or 194/233.ccls. or 194/234.ccls. or 194/235.ccls. or 194/236.ccls. or 194/237.ccls. or 194/238.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.