USPC Class Details

Description: 208 mineral oils: processes and products / 208 mineral oils: processes and products/(24) paraffin wax; treatment or recovery (28) separation of paraffin from oil (e.g., dewaxing)

Hierarchy/Derived subclasses

208 / 24	-> 28	-> 29
		-> 30	-> 31
			-> 32
		-> 33	-> 34
			-> 35
			-> 36
		-> 37	-> 38

uspto searches

Patent Apps in 208/28

Granted Patents in 208/28

Use the links above or do an advanced search in ppubs for:
(208/28.ccls. or 208/29.ccls. or 208/30.ccls. or 208/31.ccls. or 208/32.ccls. or 208/33.ccls. or 208/34.ccls. or 208/35.ccls. or 208/36.ccls. or 208/37.ccls. or 208/38.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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