USPC Class Details

Description: 439 electrical connectors / 439 electrical connectors/(1) interrelated connectors relatively movable during use (11) movement about axis (13) rotary movement (18) including annular contact (28) having radially outwardly facing contact surface

Hierarchy/Derived subclasses

439 / 1-> 11-> 13-> 18-> 28

uspto searches

Patent Apps in 439/28

Granted Patents in 439/28

Use the links above or do an advanced search in ppubs for:
(439/28.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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