(under subclass 200.1) Apparatus having a specifically claimed opening by means of which motive fluid is ejected from the apparatus.
(1) Note. Included in this definition are reaction motor ejection means having an opening which may be varied in cross sectional area.
SEE OR SEARCH CLASS
138, Pipes and Tubular Conduits,
40+, for pipes having variable or nonvariable means (e.g., nozzle like devices) to restrict the flow of fluid therethrough.
239, Fluid Sprinkling, Spraying, and Diffusing,
265.11+, for reaction nozzles, per se, especially subclass 265.19 for reaction motor discharge nozzles having means controlling the amount and shape of the stream discharged.