USPC Class Details

Description: 62 refrigeration / 62 refrigeration/(600) cryogenic treatment of gas or gas mixture (606) liquefaction

Hierarchy/Derived subclasses

62 / 600-> 606-> 607
  -> 608
  -> 51.2-> 610
  -> 611-> 612
   -> 613
   -> 614
  -> 615
  -> 616

uspto searches

Patent Apps in 62/606

Granted Patents in 62/606

Use the links above or do an advanced search in ppubs for:
(62/606.ccls. or 62/607.ccls. or 62/608.ccls. or 62/51.2.ccls. or 62/610.ccls. or 62/611.ccls. or 62/612.ccls. or 62/613.ccls. or 62/614.ccls. or 62/615.ccls. or 62/616.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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