446 / | HD | AMUSEMENT DEVICES: TOYS |
34 | DF | AERODYNAMICALLY SUPPORTED OR RETARDED {8} |
36 | DF | .~ Including rotary wing (e.g., helicopter, flying propeller, autogyro, etc.) {2} |
37 | DF | .~.~ And means to rotate wing {2} |
38 | DF | .~.~.~ Separable rotating means {3} |
40 | .~.~.~.~ Including flaccid pulling element {2} | |
41 | DF | .~.~.~.~.~> Having rewinding spring or plural discrete flaccid elements |
42 | DF | .~.~.~.~.~> Flaccid element wound about and in contact with portion which moves aloft |