USPC Class Details

Description: 55 gas separation / 55 gas separation/(428) residue access, handling or removing means (432) with movable or manipulable means controlling escape of residue (433) manually actuated

Hierarchy/Derived subclasses

55 / 428-> 432-> 433

uspto searches

Patent Apps in 55/433

Granted Patents in 55/433

Use the links above or do an advanced search in ppubs for:
(55/433.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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