Description: 302 / (22) Material Intake

Hierarchy/Derived subclasses

302 / 22	-> 23	-> 24
		-> 25
	-> 26
	-> 27
	-> 28
	-> 29

CIPO searches

search just 302/22

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((302/22 <IN> CPC) <OR> (302/23 <IN> CPC) <OR> (302/24 <IN> CPC) <OR> (302/25 <IN> CPC) <OR> (302/26 <IN> CPC) <OR> (302/27 <IN> CPC) <OR> (302/28 <IN> CPC) <OR> (302/29 <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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