Hierarchy/Derived subclasses
62 / 56 | -> 66 | -> 68 | -> 69 | -> 70 |
uspto searches
Patent Apps in 62/69Granted Patents in 62/69
Use the links above or do an advanced search in ppubs for:
(62/69.ccls. or 62/70.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.