USPC Class Details

Description: 229 envelopes, wrappers, and paperboard boxes / 229 envelopes, wrappers, and paperboard boxes/(100) paperboard box (200) having means to facilitate opening the box by severing (e.g., tearing, cutting, piercing, etc.) box material or outer wrapper (236) tearing allows box to unfold to generally planar form

Hierarchy/Derived subclasses

229 / 100

-> 200

-> 236

uspto searches

Patent Apps in 229/236

Granted Patents in 229/236

Use the links above or do an advanced search in ppubs for:
(229/236.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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