Description: 307 / (16) Arc Or Plasma (24) Electrodes (25) Positioning of Electrodes

Hierarchy/Derived subclasses

307 / 16	-> 24	-> 25	-> 26
			-> 27

CIPO searches

search just 307/25

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((307/25 <IN> CPC) <OR> (307/26 <IN> CPC) <OR> (307/27 <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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