hand held power-operated sweeping devices consisting of a power-rotated cylinder having a handle for manual manipulation and exterior fins that engage and throw loose material to thereby clean outdoor surfaces such as a sidewalk, driveway or the like

hand held, power-operated sweeping devices in the nature of power-rotated cylinder having a handle for manual manipulation and exterior resilient fins that engae and throw loose material to thereby clean a surface such as a sidewalk, driveway and the like