USPC Class Details

Description: 442 fabric (woven, knitted, or nonwoven textile or cloth, etc.) / 442 fabric (woven, knitted, or nonwoven textile or cloth, etc.)/(181) woven fabric (i.e., woven strand or strip material) (228) including a free metal or alloy constituent

Hierarchy/Derived subclasses

442 / 181	-> 228	-> 229
		-> 230
		-> 231
		-> 232	-> 233
			-> 234	-> 235
			-> 236
			-> 237
		-> 238

uspto searches

Patent Apps in 442/228

Granted Patents in 442/228

Use the links above or do an advanced search in ppubs for:
(442/228.ccls. or 442/229.ccls. or 442/230.ccls. or 442/231.ccls. or 442/232.ccls. or 442/233.ccls. or 442/234.ccls. or 442/235.ccls. or 442/236.ccls. or 442/237.ccls. or 442/238.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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