Description: 270 / (26) With Means To Detect And/Or Prevent Transfer Of More Than One Article At A Time (27) Pinch Roll or Conveyor Type With Rolls or conveyor Operating at Different Speeds (e.g., Feed and Delay)

Hierarchy/Derived subclasses

270 / 26

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search just 270/27

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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