Hierarchy/Derived subclasses
183 / 38 | -> 40 | -> 50 |
CIPO search
search just 183/50This 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
183 / 38 | -> 40 | -> 50 |