Hierarchy/Derived subclasses
| 417 / 212 | -> 213 | ||
| -> 214 | |||
| -> 215 | |||
| -> 216 | |||
| -> 217 | |||
| -> 218 | -> 219 | -> 220 | |
| -> 221 | |||
| -> 222.1 | -> 222.2 | ||
| -> 223 |
uspto searches
Patent Apps in 417/212Granted Patents in 417/212
Use the links above or do an advanced search in ppubs for:
(417/212.ccls. or 417/213.ccls. or 417/214.ccls. or 417/215.ccls. or 417/216.ccls. or 417/217.ccls. or 417/218.ccls. or 417/219.ccls. or 417/220.ccls. or 417/221.ccls. or 417/222.1.ccls. or 417/222.2.ccls. or 417/223.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.