(under the class definition) Dispensers having means to modify, preserve or otherwise treat the material dispensed.
(1) Note. These are disclosed for various purposes such as moisture regulating by draining, humidifying or absorbing moisture, ventilating, etc.
(2) Note. Other main classes appropriate to the type of treating or conditioning means must be searched.
SEE OR SEARCH THIS CLASS, SUBCLASS:
113, for burner combinations.
131, for dispensers having heat exchange jackets.
146, for dispensers having miscellaneous heating or cooling means. 152, for dispensers having inert atmosphere providing means.
160+, for movably mounted dispensers.
187, for wick or absorbent material feed.
188, for fluid-trap-seals.
189.01, 189.02+ and 189.06+, for filter or strainer combinations.
SEE OR SEARCH CLASS
53, Package Making,
111+, for packaging apparatus combined with means to subject the contents material to an agency which alters a physical or chemical characteristic of the contents material.
221, Article Dispensing,
135+, for article dispensers having combined therewith means to modify, preserve or otherwise treat the articles dispensed.
312, Supports: Cabinet Structure, 31+, for gas or vapor treatment of material.
