USPC Class Details

Description: 383 flexible bags / 383 flexible bags/(33) with means to maintain the bag mouth in an open configuration (34) hinged mouth stiffeners (34.1) stiffeners include four or more hinged segments

Hierarchy/Derived subclasses

383 / 33-> 34-> 34.1

uspto searches

Patent Apps in 383/34.1

Granted Patents in 383/34.1

Use the links above or do an advanced search in ppubs for:
(383/34.1.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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