Description: 238 / (18) Ties
Hierarchy/Derived subclasses
CIPO searches
search just 238/18- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((238/18 <IN> CPC) <OR> (238/19 <IN> CPC) <OR> (238/20 <IN> CPC) <OR> (238/21 <IN> CPC) <OR> (238/22 <IN> CPC) <OR> (238/23 <IN> CPC) <OR> (238/24 <IN> CPC) <OR> (238/25 <IN> CPC) <OR> (238/26 <IN> CPC) <OR> (238/27 <IN> CPC) <OR> (238/28 <IN> CPC) <OR> (238/29 <IN> CPC) <OR> (238/30 <IN> CPC) <OR> (238/31 <IN> CPC) <OR> (238/32 <IN> CPC) <OR> (238/33 <IN> CPC) <OR> (238/34 <IN> CPC) <OR> (238/35 <IN> CPC) <OR> (238/36 <IN> CPC) <OR> (238/37 <IN> CPC) <OR> (238/38 <IN> CPC) <OR> (238/39 <IN> CPC) <OR> (238/40 <IN> CPC) <OR> (238/41 <IN> CPC) <OR> (238/42 <IN> CPC) <OR> (238/43 <IN> CPC) <OR> (238/44 <IN> CPC) <OR> (238/45 <IN> CPC) <OR> (238/46 <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.