Description: 270 / (112) Pusher Type (117) Surface Contact of Sheet Material

Hierarchy/Derived subclasses

270 / 112	-> 117	-> 118	-> 119
			-> 120
			-> 121

CIPO searches

search just 270/117

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((270/117 <IN> CPC) <OR> (270/118 <IN> CPC) <OR> (270/119 <IN> CPC) <OR> (270/120 <IN> CPC) <OR> (270/121 <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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