USPC Class Details

Description: 62 refrigeration / 62 refrigeration/(45.1) storage of solidified or liquified gas (e.g., cryogen) (50.1) liquified gas transferred as liquid

Hierarchy/Derived subclasses

62 / 45.1-> 50.1-> 50.2-> 50.3
   -> 50.4
   -> 50.5
  -> 50.6
  -> 50.7

uspto searches

Patent Apps in 62/50.1

Granted Patents in 62/50.1

Use the links above or do an advanced search in ppubs for:
(62/50.1.ccls. or 62/50.2.ccls. or 62/50.3.ccls. or 62/50.4.ccls. or 62/50.5.ccls. or 62/50.6.ccls. or 62/50.7.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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