USPC Class Details

Description: 55 gas separation / 55 gas separation/(282) with nonliquid cleaning means for separating media (284) with sequential cleaning of plural units (286) with gas flow arresting means

Hierarchy/Derived subclasses

55 / 282-> 284-> 286-> 287

uspto searches

Patent Apps in 55/286

Granted Patents in 55/286

Use the links above or do an advanced search in ppubs for:
(55/286.ccls. or 55/287.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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