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Class Information
Number: 4/252.4
Name: Baths, closets, sinks, and spittoons > Flush closet bowl support, coupling, seal or fastener > Flange with aperture for fastener
Description: Subject matter wherein the coupling for the flush closet bowl, which provides for the fluid flow communication between the closet bowl discharge and the waste pipe, has a projecting rim with an opening or slot for a securing member to hold the coupling to the closet bowl.










Sub-classes under this class:

Class Number Class Name Patents
4/252.5 Having a seal 45


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8683619 Closet flange spacer Apr. 1, 2014
8561218 Toilet flange stabilizer Oct. 22, 2013
8505124 Off-set carrier Aug. 13, 2013
8281421 Closet flange system for existing installation Oct. 9, 2012
8099801 Closet flange system for existing installation Jan. 24, 2012
8091156 Universal wall mount toilet gasket Jan. 10, 2012
7805777 Closet flange spacer Oct. 5, 2010
7743435 Self adjusting toilet bolt assembly for connecting a toilet bowl to a closet flange Jun. 29, 2010
7621002 System and method for controlling, draining, removing, and disposing of liquids and light solids Nov. 24, 2009
7584970 Water-closet compound gasket Sep. 8, 2009
7350243 Closet flange with knockout Apr. 1, 2008
7197777 Collar for a water pipe supply Apr. 3, 2007
7188376 Flexible sleeve for connection to a plumbing fixture Mar. 13, 2007
7055184 Closet flange with knockout retainer Jun. 6, 2006
7013927 Sleeve for toilet flanges and drains Mar. 21, 2006
6979027 Toilet carrier Dec. 27, 2005
6928669 Closet carrier system and method of assembly Aug. 16, 2005
6789275 Non-leaking flush toilet system Sep. 14, 2004
6751812 Closet flange Jun. 22, 2004
6694537 Toilet seal ring Feb. 24, 2004
6644670 Sealing gaskets for water closets Nov. 11, 2003
6634034 Adjustable toilet flange assembly Oct. 21, 2003
6615413 Toilet mounting assembly Sep. 9, 2003
6581214 Spacer and shim assembly and process of elevating the water closet ring of a toilet bowl Jun. 24, 2003
6443495 Multiple level floor flange apparatus and associated method Sep. 3, 2002
6442769 Mounting ring for water closet coupling Sep. 3, 2002
6438765 Toilet sealing ring adapter assembly Aug. 27, 2002
6435563 Mounting ring for water closet coupling and method of installation Aug. 20, 2002
6416084 Replacement flange Jul. 9, 2002
6327717 Toilet sealing ring adapter assembly Dec. 11, 2001
6223356 User shapeable elevator base for toilets May. 1, 2001
6125479 Floor mounting system for toilet stools Oct. 3, 2000
6115852 Adjustable replacement ring for a toilet flange and method Sep. 12, 2000
6085362 Water closet fitting installation assembly Jul. 11, 2000
6085363 Water closet fitting with test baffle Jul. 11, 2000
6065160 Adjustable closet flange May. 23, 2000
6052839 Angled water closet flange Apr. 25, 2000
6026521 Two-piece water closet ring Feb. 22, 2000
5996134 Cover, spacer and plumbing installation assembly Dec. 7, 1999
5937450 Method and device for attaching fittings to receptacle Aug. 17, 1999
5930845 Pop-up bowl valve for toilet with two flush modalities Aug. 3, 1999
5898954 Toilet installation kit May. 4, 1999
5862533 Toilet sealing ring adapter assembly Jan. 26, 1999
5492372 Split replacement flange for water closet and method of replacing Feb. 20, 1996
5432957 Conversion kit for toilets for varying shapes Jul. 18, 1995
5377361 Toilet flange Jan. 3, 1995
5220694 Anchoring device and method for anchoring a toilet to a broken water closet ring Jun. 22, 1993
5115554 Closet flange May. 26, 1992
4967422 Closet flange protector Nov. 6, 1990
4918761 Method of using a toilet-flange cast-in mount Apr. 24, 1990

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