USPC Class Details

Description: 315 electric lamp and discharge devices: systems / 315 electric lamp and discharge devices: systems/(94) with cathode or cathode heater supply circuit (98) plural cathodes or heaters in the load device

Hierarchy/Derived subclasses

315 / 94-> 98-> 99-> 100

uspto searches

Patent Apps in 315/98

Granted Patents in 315/98

Use the links above or do an advanced search in ppubs for:
(315/98.ccls. or 315/99.ccls. or 315/100.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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