Hierarchy/Derived subclasses
| 404 / 83 | -> 101 | -> 102 | -> 103 |
| -> 104 | |||
| -> 105 | |||
| -> 106 | |||
| -> 107 | |||
| -> 108 | -> 109 | ||
| -> 110 | |||
| -> 111 |
uspto searches
Patent Apps in 404/101Granted Patents in 404/101
Use the links above or do an advanced search in ppubs for:
(404/101.ccls. or 404/102.ccls. or 404/103.ccls. or 404/104.ccls. or 404/105.ccls. or 404/106.ccls. or 404/107.ccls. or 404/108.ccls. or 404/109.ccls. or 404/110.ccls. or 404/111.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.