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 (28) moving radially inwardly toward axis of rotation of bowl

Hierarchy/Derived subclasses

494 / 23

-> 27

-> 28

uspto searches

Patent Apps in 494/28

Granted Patents in 494/28

Use the links above or do an advanced search in ppubs for:
(494/28.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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