(under subclass 630) Dispenser comprising a chamber which contains both the material to be dispensed and a charge of compressed fluid to discharge the material to or through the container outlet.
SEE OR SEARCH THIS CLASS, SUBCLASS:
394+, for fluid pressure discharge of material with no entraining of the material.
SEE OR SEARCH CLASS
239, Fluid Sprinkling, Spraying, and Diffusing,
340+, for aerosols; and subclass 573 for aerosol nozzles.
516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,
1+, for continuous gas or vapor phase colloid system (e.g., smoke, fog, aerosol, cloud, mist) or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.
