Description: 164 / (34) Cutting Apparatus (48) Cylindrical Bodies (51) Tubes

Hierarchy/Derived subclasses

164 / 34	-> 48	-> 51	-> 52
			-> 53
			-> 54

CIPO searches

search just 164/51

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((164/51 <IN> CPC) <OR> (164/52 <IN> CPC) <OR> (164/53 <IN> CPC) <OR> (164/54 <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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