Description: 122 / (18) Regulation (19) Superheat

Hierarchy/Derived subclasses

122 / 18	-> 19	-> 20
		-> 21
		-> 22

CIPO searches

search just 122/19

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((122/19 <IN> CPC) <OR> (122/20 <IN> CPC) <OR> (122/21 <IN> CPC) <OR> (122/22 <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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