USPC Class Details

Description: 128 surgery / 128 surgery/(200.24) respiratory method or device (204.18) means for supplying respiratory gas under positive pressure (205.12) means for removing substance from respiratory gas

Hierarchy/Derived subclasses

128 / 200.24-> 204.18-> 205.12

uspto searches

Patent Apps in 128/205.12

Granted Patents in 128/205.12

Use the links above or do an advanced search in ppubs for:
(128/205.12.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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