USPC Class Details

Description: 53 package making / 53 package making/(52) with means responsive to a sensed condition (55) concurrent control of contents and receptacle feeds (56) stopped by contents, manual reset (57) by absence of contents

Hierarchy/Derived subclasses

53 / 52-> 55-> 56-> 57

uspto searches

Patent Apps in 53/57

Granted Patents in 53/57

Use the links above or do an advanced search in ppubs for:
(53/57.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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