USPC Class Details

Description: 2 apparel / 2 apparel/(171) head coverings (181) with sweats or other supplementary head engaging member (181.2) discontinuous contact (181.8) transversely grooved head engaging member

Hierarchy/Derived subclasses

2 / 171

-> 181

-> 181.2

-> 181.8

uspto searches

Patent Apps in 2/181.8

Granted Patents in 2/181.8

Use the links above or do an advanced search in ppubs for:
(2/181.8.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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