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Class Information
Number: 4/345
Name: Baths, closets, sinks, and spittoons > Flush closet > Plural flush, preliminary or subsequent
Description: Subject matter wherein in addition to a main flush means there is provided an additional flush before or after the main, the additional flush is actuated by the operation of the main flush.

Sub-classes under this class:

Class Number Class Name Patents
4/346 Including plural compartments in tank 19

Patents under this class:

Patent Number Title Of Patent Date Issued
8082605 Low flow hygienic apparatus and methods Dec. 27, 2011
7810178 Dual toilet tank system Oct. 12, 2010
5956779 Hydraulic drive urinal flushing system Sep. 28, 1999
5625906 Toilet flush control assembly and methods May. 6, 1997
5611090 Toilet flush control assembly and methods Mar. 18, 1997
5608923 Pump operated plumbing fixture Mar. 11, 1997
5305475 Pump operated plumbing fixture Apr. 26, 1994
4748699 Water closet limited flush volume control system Jun. 7, 1988
4651359 Dual mode flush valve assembly Mar. 24, 1987
4333830 Vacuum drain system Jun. 8, 1982
4115882 Flush valve for toilet tanks Sep. 26, 1978
4094327 Fluid control device Jun. 13, 1978
4094019 Retractable toilet bowl assembly Jun. 13, 1978
4075718 Nozzle flush system Feb. 28, 1978
4052756 Wet type marine jet toilet Oct. 11, 1977
4017914 Water closet metering device Apr. 19, 1977
4017912 Meterable water closet Apr. 19, 1977
3972076 Mechanism for flush systems Aug. 3, 1976

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