USPC Class Details – HistoricIP

Description: 383 flexible bags / 383 flexible bags/(6) lifting or suspending element (e.g., handle) (17) including reinforcement or stress distribution means attached to or adjacent element (20) additional layer of material at element attachment location

Hierarchy/Derived subclasses

383 / 6

-> 17

-> 20

uspto searches

Patent Apps in 383/20

Granted Patents in 383/20

Use the links above or do an advanced search in ppubs for:
(383/20.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.