Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
E03D1/02—High-level flushing systems
E03D1/06—Cisterns with tube siphons
E03D1/08—Siphon action initiated by air or water pressure
E03D1/082—Siphon action initiated by air or water pressure in tube siphons
E03D1/087—Siphon action initiated by air or water pressure in tube siphons by pump, valve, or the like, in the short leg of the siphon or a vacuum pump in the long leg of the siphon