Hierarchy/Derived subclasses
| 215 / 200 | -> 235 | -> 236 | |||
| -> 237 | -> 238 | ||||
| -> 239 | -> 240 | -> 241 | |||
| -> 242 | |||||
| -> 243 | |||||
| -> 244 | -> 245 |
uspto searches
Patent Apps in 215/235Granted Patents in 215/235
Use the links above or do an advanced search in ppubs for:
(215/235.ccls. or 215/236.ccls. or 215/237.ccls. or 215/238.ccls. or 215/239.ccls. or 215/240.ccls. or 215/241.ccls. or 215/242.ccls. or 215/243.ccls. or 215/244.ccls. or 215/245.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.