Hierarchy/Derived subclasses
92 / 7 | -> 26 | -> 27 | -> 27.1 | -> 27.2 | -> 27.3 |
CIPO search
search just 92/27.3This 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.