Hierarchy/Derived subclasses
| 59 / 36 | -> 37 | -> 49 | -> 50 |
| -> 51 |
uspto searches
Patent Apps in 59/49Granted Patents in 59/49
Use the links above or do an advanced search in ppubs for:
(59/49.ccls. or 59/50.ccls. or 59/51.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.