Description: 238 / (135) Fasteners

Hierarchy/Derived subclasses

238 / 135-> 136-> 137
  -> 138
  -> 139
  -> 140
  -> 141-> 142
   -> 143
   -> 144
   -> 145
   -> 146-> 147
   -> 148-> 149
    -> 150
    -> 151
   -> 152-> 153
 -> 154
 -> 155
 -> 156-> 157
  -> 158
  -> 159
  -> 160
 -> 161
 -> 162

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.
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