Description: 238 / (18) Ties (42) Non Metallic (43) Internal Reinforcement

Hierarchy/Derived subclasses

238 / 18	-> 42	-> 43	-> 44
			-> 45

CIPO searches

search just 238/43

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((238/43 <IN> CPC) <OR> (238/44 <IN> CPC) <OR> (238/45 <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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