modular lighting systems comprised of a light source and interchangeable accessories to create a flashlight, bicycle light, lantern, head lamp, light pole, articulating arm with light, articulating task light, desk light, or tailgating clamp light; portable light sources, namely, portable utility lights and portable battery-operated lights that can be placed on surfaces where other light sources are unavailable; lighting systems using LED technology comprised of a light source and interchangeable accessories to create a flashlight, bicycle light, lantern, head lamp, light pole, articulating arm with light, articulating task light, desk light, or tailgating clamp light; lighting systems using LED technology comprised of LED modules, power supplies, and wiring; portable luminaires using light emitting diodes (LEDs) as a light source; portable lighting system comprised of a light source and interchangeable accessories to create a flashlight, bicycle light, lantern, head lamp, light pole, articulating arm with light, articulating task light, desk light, or tailgating clamp light