Hierarchy/Derived subclasses
| 266 / 114 | -> 121 | -> 122 | ||
| -> 123 | ||||
| -> 124 | -> 125 | -> 126 | ||
| -> 127 | ||||
| -> 128 | -> 129 | |||
| -> 130 | -> 131 | |||
| -> 132 | ||||
| -> 133 |
uspto searches
Patent Apps in 266/121Granted Patents in 266/121
Use the links above or do an advanced search in ppubs for:
(266/121.ccls. or 266/122.ccls. or 266/123.ccls. or 266/124.ccls. or 266/125.ccls. or 266/126.ccls. or 266/127.ccls. or 266/128.ccls. or 266/129.ccls. or 266/130.ccls. or 266/131.ccls. or 266/132.ccls. or 266/133.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.