USPC Class Details

Description: 44 fuel and related compositions / 44 fuel and related compositions/(300) liquid fuels (excluding fuels that are exclusively mixtures of liquid hydrocarbons) (307) plant or animal extract mixtures or extracts of indeterminate structure containing (308) containig triglycerides (e.g., castor oil, corn oil, olive oil, lard, etc.)

Hierarchy/Derived subclasses

44 / 300

-> 307

-> 308

uspto searches

Patent Apps in 44/308

Granted Patents in 44/308

Use the links above or do an advanced search in ppubs for:
(44/308.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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