Hierarchy/Derived subclasses
| 119 / 416 | -> 452 | -> 475 | -> 476 |
| -> 477 | |||
| -> 478 |
uspto searches
Patent Apps in 119/475Granted Patents in 119/475
Use the links above or do an advanced search in ppubs for:
(119/475.ccls. or 119/476.ccls. or 119/477.ccls. or 119/478.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.