Hierarchy/Derived subclasses
129 / 56 | -> 56.4 |
CIPO search
search just 129/56.4This 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
129 / 56 | -> 56.4 |