Hierarchy/Derived subclasses
| 62 / 56 | -> 66 | -> 71 | -> 72 |
uspto searches
Patent Apps in 62/72Granted Patents in 62/72
Use the links above or do an advanced search in ppubs for:
(62/72.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.