Hierarchy/Derived subclasses
| 266 / 200 | -> 207 | -> 208 | -> 209 | -> 210 |
| -> 211 |
uspto searches
Patent Apps in 266/207Granted Patents in 266/207
Use the links above or do an advanced search in ppubs for:
(266/207.ccls. or 266/208.ccls. or 266/209.ccls. or 266/210.ccls. or 266/211.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.