Hierarchy/Derived subclasses
112 / 53 | -> 74 | -> 84 |
CIPO search
search just 112/84This 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
112 / 53 | -> 74 | -> 84 |