Hierarchy/Derived subclasses
| 501 / 1 | -> 94 | -> 102 | -> 103 | -> 104 |
| -> 105 |
uspto searches
Patent Apps in 501/103Granted Patents in 501/103
Use the links above or do an advanced search in ppubs for:
(501/103.ccls. or 501/104.ccls. or 501/105.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.