USPC Class Details

Description: 208 mineral oils: processes and products / 208 mineral oils: processes and products/(46) chemical conversion of hydrocarbons (146) solids contacting and mixing (153) suspension system (155) plural zones of similar function

Hierarchy/Derived subclasses

208 / 46-> 146-> 153-> 155-> 156

uspto searches

Patent Apps in 208/155

Granted Patents in 208/155

Use the links above or do an advanced search in ppubs for:
(208/155.ccls. or 208/156.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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