USPC Class Details

Description: 62 refrigeration / 62 refrigeration/(45.1) storage of solidified or liquified gas (e.g., cryogen) (53.1) underground or underwater storage

Hierarchy/Derived subclasses

62 / 45.1-> 53.1

uspto searches

Patent Apps in 62/53.1

Granted Patents in 62/53.1

Use the links above or do an advanced search in ppubs for:
(62/53.1.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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