Hierarchy/Derived subclasses
| 302 / 4 | -> 5 | -> 6 |
| -> 7 |
CIPO searches
search just 302/5- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((302/5 <IN> CPC) <OR> (302/6 <IN> CPC) <OR> (302/7 <IN> CPC))
This 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.