USPC Class Details

Description: 229 envelopes, wrappers, and paperboard boxes / 229 envelopes, wrappers, and paperboard boxes/(100) paperboard box (124) with closure for an access opening (126) foldable wall extension (e.g., closure flap) (138) extensions of adjacent box walls hingedly attached together (139) three extensions form a pocket to receive fourth extension

Hierarchy/Derived subclasses

229 / 100

-> 124

-> 126

-> 138

-> 139

uspto searches

Patent Apps in 229/139

Granted Patents in 229/139

Use the links above or do an advanced search in ppubs for:
(229/139.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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