(under subclass 330) Smoking devices provided with means for treating the smoke.
(1) Note. Included under this definition is means for only treating or medicating the smoke as well as for treating or medicating together with removing or separating a constituent material from the smoke.
(2) Note. Compare subclass 173 of this class for smoking devices having means for washing the smoke.
(3) Note. Compare this class, subclass 194 and indented subclasses, for smoking devices having means for cooling the smoke or for insulating either the burning charge or the smoke to prevent cooling.
SEE OR SEARCH THIS CLASS, SUBCLASS:
198, for smoke diluting means. 331+, for cigars and cigarettes having smoke treating means therein.
352, for tobacco compositions.
SEE OR SEARCH CLASS
128, Surgery,
203.12+, for inhalers.
424, Drug, Bio-Affecting and Body Treating Compositions, appropriate subclass for a medicinal composition and especially
441+, and 443+ for a carrier or vehicle impregnated with such a composition.
428, Stock Material or Miscellaneous Articles, appropriate subclasses, for a stock material in the form of a single or plural layer web or sheet, and especially
292.1+, for a composite web or sheet including a layer containing structurally defined fibers, and subclasses 364+ for a fiber or filament which is structurally defined (e.g., crimped, specific cross-section) or is coated.
