USPC Class Details – HistoricIP

Description: 229 envelopes, wrappers, and paperboard boxes / 229 envelopes, wrappers, and paperboard boxes/(100) paperboard box (124) with closure for an access opening (125.37) including a nonunitary securing element for a closure (i.e., element is not of one-piece construction with the box)

Hierarchy/Derived subclasses

229 / 100	-> 124	-> 125.37	-> 125.38
			-> 125.39	-> 125.41

uspto searches

Patent Apps in 229/125.37

Granted Patents in 229/125.37

Use the links above or do an advanced search in ppubs for:
(229/125.37.ccls. or 229/125.38.ccls. or 229/125.39.ccls. or 229/125.41.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.