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Class Information
Number: 4/255.09
Name: Baths, closets, sinks, and spittoons > Obstruction remover > Connected to a source of external fluid under pressure > With head structure that increases velocity or turbulence
Description: Subject matter wherein the other end of the conduit has a head designed to boost the rate of change or violence of the flow into the opening to clear the obstruction from the drain pipe of the sink, bath, or flush closet.

Patents under this class:

Patent Number Title Of Patent Date Issued
8418275 System for unclogging toilets Apr. 16, 2013
8250679 Plunger apparatus Aug. 28, 2012
6295659 Apparatus for cleaning out drain pipe obstructions Oct. 2, 2001
6145135 Helical drain plunger Nov. 14, 2000
5329646 Drain flusher device Jul. 19, 1994
5305882 Self-storing collapsible implement Apr. 26, 1994
5222533 Nozzle for use in a catalyst unloader Jun. 29, 1993
4865062 Valve assembly for a pipe flushing device Sep. 12, 1989
4847923 Water and air whirlpooling double flush toilet clog remover Jul. 18, 1989
4825900 Valve assembly for a pipe flushing device May. 2, 1989
4790356 Drain pipe plug device Dec. 13, 1988
4756480 Apparatus for flushing drains Jul. 12, 1988
4736473 Pressure drain cleaner Apr. 12, 1988
4475255 Pipe flushing device Oct. 9, 1984
4447917 Water pressure jet cleaner May. 15, 1984
4238860 Water-pressure, drain-cleaning device Dec. 16, 1980
3937404 Drain declogging device Feb. 10, 1976

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