Description: 270 / (91) From Randomly Oriented Supply (Hopper Or Chute) (99) Tumblers (Rotating Hopper With Axis at an Angle to the Vertical)
Hierarchy/Derived subclasses
CIPO search
search just 270/99This 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.