Description: 238 / (18) Ties (31) Metal (35) Tubular (36) Rectangular

Hierarchy/Derived subclasses

238 / 18

-> 31

-> 35

-> 36

-> 37

CIPO searches

search just 238/36

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((238/36 <IN> CPC) <OR> (238/37 <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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