Description: 119 / (34) Feeding Or Watering (39) Dispensing Hopper, Tank or Rack (40) Integral with a Material Receiving Receptacle (42) With Barometric or Float Control

Hierarchy/Derived subclasses

119 / 34

-> 39

-> 40

-> 42

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search just 119/42

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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