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) (314) boron containing (315) phosphorus attached directly or indirectly to the boron

Hierarchy/Derived subclasses

44 / 300

-> 314

-> 315

uspto searches

Patent Apps in 44/315

Granted Patents in 44/315

Use the links above or do an advanced search in ppubs for:
(44/315.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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