(under subclass 13) Aeronautical machines of the airplane type propelled by the reaction to the movement of restricted masses or jets of air or other fluids.
(1) Note. For the automatic control of aircraft and other
mobile devices, see the search notes below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
73+, for other fluid propulsion devices on aircraft.
76+, for the automatic control of aircraft and other mobile devices, and note especially the classes referred to in the Notes to subclasses 76 and 175+.
SEE OR SEARCH CLASS 60, Power Plants,
200.1+, for reaction motors.
102, Ammunition and Explosives,
405, for aerial mines.
239, Fluid Sprinkling, Spraying, and Diffusing,
127.1+, and 265.11+ for the discharge nozzle subcombination of a reaction motor.