Description: 270 / (164) Sheet Material Separating Means (For Single Sheet Or Specified Number) (167) Loosening By Twisting or Stack Bending

Hierarchy/Derived subclasses

270 / 164-> 167

CIPO search

search just 270/167

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.
Display:

Back