Hierarchy/Derived subclasses
| 53 / 111r | -> 510 | -> 511 |
| -> 512 |
uspto searches
Patent Apps in 53/510Granted Patents in 53/510
Use the links above or do an advanced search in ppubs for:
(53/510.ccls. or 53/511.ccls. or 53/512.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.