Hierarchy/Derived subclasses
| 106 / 15.05 | -> 18.11 | -> 18.26 | -> 18.27 |
| -> 18.28 |
uspto searches
Patent Apps in 106/18.26Granted Patents in 106/18.26
Use the links above or do an advanced search in ppubs for:
(106/18.26.ccls. or 106/18.27.ccls. or 106/18.28.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.