(under subclass 619) Subject matter wherein the wash vessel has an opening in the bottom for the water in the vessel to flow out by the action of gravity.
(1) Note. Here are basins, sinks, lavatories, and tubs with a drain.
(2) Note. A comprehensive claim having a supply outlet, overflow, drain valve or trap combined with a sink or bath
with a drain where the sink or bath is considered incidental to the invention is considered proper for a supply outlet, overflow, drain valve or trap subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
443, for bidets, particularly subclass 445 for bidet basins used with a flush closet; and subclass 446 for bidet bowls.
507+, for pools with outlet means.
515+, for hair-washing machines and devices, particularly subclass 519 for head or neck receiving or supporting sinks. 538+, for bathtubs.
631+, for a work surface combined with a wash receptacle with a drain.
639+, for plural receptacles with a drain.
643+, for a wash receptacle with a support therefore.
663, for the combination of a wash receptacle, bathtub, and flush closet.
665, for a wash receptacle that empties into a flush closet or urinal.
671+, for a specifically detailed supply outlet and drain structure combined with a nominal sink or bath structure.
675+, for a specifically detailed supply outlet combined with a nominal sink or bath structure.
679+, for a specifically detailed drain structure combined with a nominal sink or bath structure.
SEE OR SEARCH CLASS
68, Textiles: Fluid Treating Apparatus,
3, for clothes washing machines; and subclasses 232+ for washtubs. 108, Horizontally Supported Planar Surfaces,
24, for a surface with a drain.
114, Ships,
188+, for sinks and furniture used in ships.
134, Cleaning and Liquid Contact With Solids,
1+, for processes; and subclasses 43+ for apparatus for dishwashers, including sinks.
454, Ventilation,
339, for laboratory-type sinks with an exhaust for noxious fumes.
