Description: 238 / (135) Fasteners
Hierarchy/Derived subclasses
CIPO searches
search just 238/135- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((238/135 <IN> CPC) <OR> (238/136 <IN> CPC) <OR> (238/137 <IN> CPC) <OR> (238/138 <IN> CPC) <OR> (238/139 <IN> CPC) <OR> (238/140 <IN> CPC) <OR> (238/141 <IN> CPC) <OR> (238/142 <IN> CPC) <OR> (238/143 <IN> CPC) <OR> (238/144 <IN> CPC) <OR> (238/145 <IN> CPC) <OR> (238/146 <IN> CPC) <OR> (238/147 <IN> CPC) <OR> (238/148 <IN> CPC) <OR> (238/149 <IN> CPC) <OR> (238/150 <IN> CPC) <OR> (238/151 <IN> CPC) <OR> (238/152 <IN> CPC) <OR> (238/153 <IN> CPC) <OR> (238/154 <IN> CPC) <OR> (238/155 <IN> CPC) <OR> (238/156 <IN> CPC) <OR> (238/157 <IN> CPC) <OR> (238/158 <IN> CPC) <OR> (238/159 <IN> CPC) <OR> (238/160 <IN> CPC) <OR> (238/161 <IN> CPC) <OR> (238/162 <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.