USPC Class Details

Description: 2 apparel / 2 apparel/(171) head coverings (171.02) conical (e.g., dunce cap, witches hat, etc.) (171.03) collapsible (e.g., umbrella type, etc.)

Hierarchy/Derived subclasses

2 / 171-> 171.02-> 171.03

uspto searches

Patent Apps in 2/171.03

Granted Patents in 2/171.03

Use the links above or do an advanced search in ppubs for:
(2/171.03.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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