USPC Class Details

Description: 315 electric lamp and discharge devices: systems / 315 electric lamp and discharge devices: systems/(1) cathode ray tube circuits (364) cathode-ray deflections circuits (399) deflection coil circuit (403) including an amplifier (404) tube-type amplifier (405) with transformer connecting amplifier to coil

Hierarchy/Derived subclasses

315 / 1

-> 364

-> 399

-> 403

-> 404

-> 405

-> 406

uspto searches

Patent Apps in 315/405

Granted Patents in 315/405

Use the links above or do an advanced search in ppubs for:
(315/405.ccls. or 315/406.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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