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Class Information
Number: 4/303
Name: Baths, closets, sinks, and spittoons > Flush closet > Urinals only > Flush actuation automatically responsive to condition > Periodic flush
Description: Subject matter wherein the flushing device is actuated at recurrent intervals, e.g., as often as a certain condition is reached.

Patents under this class:

Patent Number Title Of Patent Date Issued
RE42840 Stool flushing device Oct. 18, 2011
6948194 Stool flushing device Sep. 27, 2005
6795982 Flush toilet Sep. 28, 2004
6598245 Automatic water feed method in lavatory and automatic water feed mechanism in lavatory Jul. 29, 2003
6589440 Waterless urinal with liquid seal, liquid seal and method of using liquid seal Jul. 8, 2003
4918762 Double-urinal flushing apparatus and method for automatic operation Apr. 24, 1990
4667350 Lavatory hopper flushing apparatus May. 26, 1987
4653125 Portable sanitary facility Mar. 31, 1987

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