(under the class definition) Subject matter comprising apparatus specialized to clean or clear an obstacle within or clear an obstacle from a drain pipe of a sink, bath, or flush closet.
SEE OR SEARCH THIS CLASS, SUBCLASS:
694, for means to block the overflow preventing water from flowing into or gas escaping from the overflow.
SEE OR SEARCH CLASS
15, Brushing, Scrubbing, and General Cleaning,
104.03+, for mechanical or gaseous pressure devices for hammering, cutting, scraping, loosening or flushing deposits from conduits, pipes or tubes; and subclasses 406+ for an air blast soot blower for tubing.
68, Textiles: Fluid Treating Apparatus,
216+, for a hand held pounder with plunger. 134, Cleaning and Liquid Contact With Solids,
22.11+, for internal surface treatment of pipe etc., subclass 24 for internal surface treatment of hollow work with movable fluid applying nozzle and/or with plugging or sealing of work passage or opening, subclass 166 for a conduit cleaner, subclass 167 for a conduit cleaner with movably or flexibly mounted spray or jet applying conduits or nozzle, subclass 168 for a conduit cleaner with a pump and movable nozzle, and subclass 169 for a conduit cleaner using a pump.
137, Fluid Handling,
240, for a system in which a material (e.g., a chemical or physical agent) different from the fluent material of the system is introduced to clean parts of the system.
138, Pipes and Tubular Conduits,
89+, for a closure or plug for a pipe and subclass 90 for a closure or plug having means to introduce pressure.
239, Fluid Sprinkling, Spraying, and Diffusing, subclass Digest 13 for a tube cleaner.
