USPC Class Details

Description: 494 imperforate bowl: centrifugal separators / 494 imperforate bowl: centrifugal separators/(23) with means for furnishing auxiliary fluid to material or apparatus (27) liquid

Hierarchy/Derived subclasses

494 / 23-> 27-> 28
  -> 29
  -> 30

uspto searches

Patent Apps in 494/27

Granted Patents in 494/27

Use the links above or do an advanced search in ppubs for:
(494/27.ccls. or 494/28.ccls. or 494/29.ccls. or 494/30.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.
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