Electrically-powered scooters; Motor scooters; Motorized personal mobility scooters; Motorized scooters; Motorized scooters and structural parts therefor; Motorized, electric-powered, self-propelled, self-balancing, wheeled personal mobility, transportation device; Motorized, self-propelled, wheeled personal mobility device, namely, scooters; self-balancing scooters; electric transporters, namely, electric scooters