USPC Class Details

Description: 200 electricity: circuit makers and breakers / 200 electricity: circuit makers and breakers/(19.01) periodic (19.2) cam operated (19.21) adjustable

Hierarchy/Derived subclasses

200 / 19.01-> 19.2-> 19.21-> 19.22
   -> 19.23
   -> 19.24
   -> 19.25

uspto searches

Patent Apps in 200/19.21

Granted Patents in 200/19.21

Use the links above or do an advanced search in ppubs for:
(200/19.21.ccls. or 200/19.22.ccls. or 200/19.23.ccls. or 200/19.24.ccls. or 200/19.25.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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