(under subclass 62) The arrangement relative to aircraft and the combination with aircraft of devices using the reaction to the movement of restricted masses or jets of air or other fluid for propelling aircraft.
(1) Note. Continue the search in this class, subclasses 12.1+, 15, 23, and 29.
SEE OR SEARCH CLASS
60, Power Plants,
200.1+, for reaction motors, per se.
239, Fluid Sprinkling, Spraying, and Diffusing,
127.1+, and 265.11+ for the discharge nozzle subcombination of a reaction motor.