USPC Class Details

Description: 208 mineral oils: processes and products / 208 mineral oils: processes and products/(46) chemical conversion of hydrocarbons (49) plural serial stages of chemical conversion (67) first stage is thermal or catalytic cracking (69) with subsequent reforming

Hierarchy/Derived subclasses

208 / 46-> 49-> 67-> 69-> 70

uspto searches

Patent Apps in 208/69

Granted Patents in 208/69

Use the links above or do an advanced search in ppubs for:
(208/69.ccls. or 208/70.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.
Display:

Back