USPC Class Details

Description: 128 surgery / 128 surgery/(200.24) respiratory method or device (203.12) means for mixing treating agent with respiratory gas

Hierarchy/Derived subclasses

128 / 200.24-> 203.12-> 203.13
  -> 203.14
  -> 203.15
  -> 203.16-> 203.17
  -> 203.18
  -> 203.19
  -> 203.21
  -> 203.22
  -> 203.23-> 203.24
  -> 203.25
  -> 203.26-> 203.27
  -> 203.28
  -> 203.29
  -> 204.11-> 204.12
  -> 204.13
  -> 204.14

uspto searches

Patent Apps in 128/203.12

Granted Patents in 128/203.12

Use the links above or do an advanced search in ppubs for:
(128/203.12.ccls. or 128/203.13.ccls. or 128/203.14.ccls. or 128/203.15.ccls. or 128/203.16.ccls. or 128/203.17.ccls. or 128/203.18.ccls. or 128/203.19.ccls. or 128/203.21.ccls. or 128/203.22.ccls. or 128/203.23.ccls. or 128/203.24.ccls. or 128/203.25.ccls. or 128/203.26.ccls. or 128/203.27.ccls. or 128/203.28.ccls. or 128/203.29.ccls. or 128/204.11.ccls. or 128/204.12.ccls. or 128/204.13.ccls. or 128/204.14.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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