(under subclass 592) Process for manufacturing an article especially adapted for producing a strong, well-defined stream of fluid which issues from an orifice or nozzle or moves within a contracted duct.
(1) Note. Generally a rocket or jet is utilized for propulsion purposes.
(2) Note. No method of making carburetor or fuel injector device, per se, is found within this subclass.
(3) Note. Prior to the establishment of this subclass (890.01) this subject matter was indented under "Gas and Water Device Making" (old 29/157+). Other subclasses under Class 29 subclasses 592+ have not been screened for this subject matter.
