Hierarchy/Derived subclasses
| 297 / 183.1 | -> 183.6 | -> 183.7 | -> 183.8 |
uspto searches
Patent Apps in 297/183.6Granted Patents in 297/183.6
Use the links above or do an advanced search in ppubs for:
(297/183.6.ccls. or 297/183.7.ccls. or 297/183.8.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.