Description: 84 / (2) String Instruments (33) Plucked (34) With Fingerboard (Zithers, Mandolins)

Hierarchy/Derived subclasses

84 / 2	-> 33	-> 34	-> 35
			-> 36

CIPO searches

search just 84/34

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((84/34 <IN> CPC) <OR> (84/35 <IN> CPC) <OR> (84/36 <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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