Hierarchy/Derived subclasses
17 / 3 | -> 8 | -> 9 | -> 10 |
CIPO search
search just 17/10This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.
Intellectual Property from a Historical Perspective
17 / 3 | -> 8 | -> 9 | -> 10 |