Hierarchy/Derived subclasses
| 129 / 4 | -> 5 | -> 23 | -> 24 | |
| -> 25 | -> 26 | |||
| -> 27 |
CIPO searches
search just 129/23- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((129/23 <IN> CPC) <OR> (129/24 <IN> CPC) <OR> (129/25 <IN> CPC) <OR> (129/26 <IN> CPC) <OR> (129/27 <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.