73288286
Dec 3, 1980
Nov 10, 1981
Apparatus and Parts Thereof for Distribution and for Control of Electric Power-Namely, Circuit Breakers Comprising Oil, Air, Magnetic and Molded-Case Types; Distribution Transformers and Sub-Station Power Transformers; Switches-Namely, High Voltage Disconnect Switches and Safety Switches; Switchgear Comprising Outdoor Metal-Clad and Indoor Low-Voltage Metal-Enclosed Types; Unit Substations and Power Centers; Panelboards, Lighting and Power Switchboards and Motor Control Centers; Motor Controls; Plug-In and Feeder Bus Duct; Service Entrance Equipment-Namely, Fusible Pull-Switch and Circuit-Breaker Types; Electrical Fuses
Electrical and Scientific Apparatus