Hierarchy/Derived subclasses
| 401 / 196 | -> 197 | |
| -> 198 | -> 199 | |
| -> 200 | ||
| -> 201 | ||
| -> 202 | ||
| -> 203 | -> 204 | |
| -> 205 | -> 206 | |
| -> 207 |
uspto searches
Patent Apps in 401/196Granted Patents in 401/196
Use the links above or do an advanced search in ppubs for:
(401/196.ccls. or 401/197.ccls. or 401/198.ccls. or 401/199.ccls. or 401/200.ccls. or 401/201.ccls. or 401/202.ccls. or 401/203.ccls. or 401/204.ccls. or 401/205.ccls. or 401/206.ccls. or 401/207.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.