USPC Class Details

Description: 48 gas: heating and illuminating / 48 gas: heating and illuminating/(197r) processes (198.1) manufacture from methane (natural gas) (198.3) with specified treatment of converted product, e.g., purification, particular cooling, testing, etc.

Hierarchy/Derived subclasses

48 / 197r

-> 198.1

-> 198.3

uspto searches

Patent Apps in 48/198.3

Granted Patents in 48/198.3

Use the links above or do an advanced search in ppubs for:
(48/198.3.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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