Description: 153 / (1) Special Application (15) Tube and Pipe Bending

Hierarchy/Derived subclasses

153 / 1	-> 15	-> 16	-> 17
			-> 18
		-> 19	-> 20
			-> 21
		-> 22
		-> 23

CIPO searches

search just 153/15

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((153/15 <IN> CPC) <OR> (153/16 <IN> CPC) <OR> (153/17 <IN> CPC) <OR> (153/18 <IN> CPC) <OR> (153/19 <IN> CPC) <OR> (153/20 <IN> CPC) <OR> (153/21 <IN> CPC) <OR> (153/22 <IN> CPC) <OR> (153/23 <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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