Hierarchy/Derived subclasses
| 337 / 14 | -> 28 | -> 29 |
uspto searches
Patent Apps in 337/29Granted Patents in 337/29
Use the links above or do an advanced search in ppubs for:
(337/29.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.