Hierarchy/Derived subclasses
28 / 29 | -> 30 | |||
-> 31 | -> 32 | |||
-> 33 | ||||
-> 34 | ||||
-> 35 | -> 36 | |||
-> 37 | ||||
-> 38 | -> 39 | |||
-> 40 | ||||
-> 41 | ||||
-> 42 | -> 43 | |||
-> 44 | ||||
-> 45 | ||||
-> 46 | -> 47 | |||
-> 48 | ||||
-> 49 | ||||
-> 50 | -> 51 | -> 52 | -> 53 | |
-> 54 | ||||
-> 55 | -> 56 |
CIPO searches
search just 28/29- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((28/29 <IN> CPC) <OR> (28/30 <IN> CPC) <OR> (28/31 <IN> CPC) <OR> (28/32 <IN> CPC) <OR> (28/33 <IN> CPC) <OR> (28/34 <IN> CPC) <OR> (28/35 <IN> CPC) <OR> (28/36 <IN> CPC) <OR> (28/37 <IN> CPC) <OR> (28/38 <IN> CPC) <OR> (28/39 <IN> CPC) <OR> (28/40 <IN> CPC) <OR> (28/41 <IN> CPC) <OR> (28/42 <IN> CPC) <OR> (28/43 <IN> CPC) <OR> (28/44 <IN> CPC) <OR> (28/45 <IN> CPC) <OR> (28/46 <IN> CPC) <OR> (28/47 <IN> CPC) <OR> (28/48 <IN> CPC) <OR> (28/49 <IN> CPC) <OR> (28/50 <IN> CPC) <OR> (28/51 <IN> CPC) <OR> (28/52 <IN> CPC) <OR> (28/53 <IN> CPC) <OR> (28/54 <IN> CPC) <OR> (28/55 <IN> CPC) <OR> (28/56 <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.