Hierarchy/Derived subclasses
| 454 / 69 | -> 78 | -> 82 |
uspto searches
Patent Apps in 454/82Granted Patents in 454/82
Use the links above or do an advanced search in ppubs for:
(454/82.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.