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Class Information
Number: 4/290
Name: Baths, closets, sinks, and spittoons > Strainer, stopper, plug or closure > Strainer, receptacle
Description: The strainer is in the form of a dish or receptacle.










Sub-classes under this class:

Class Number Class Name Patents
4/291 Depending 28


Patents under this class:

Patent Number Title Of Patent Date Issued
8636899 Vented alarm apparatus for use with a pool skimmer basket Jan. 28, 2014
8505125 Hair catching stall shower drain Aug. 13, 2013
8239974 Elongated shower drain Aug. 14, 2012
8171574 Flexible sink strainer May. 8, 2012
8117685 Flexible sink strainer Feb. 21, 2012
7900289 Magnetic sink strainer Mar. 8, 2011
7861329 Disposable drain filter Jan. 4, 2011
7856676 Capsule-type medical device collector and capsule-type medical device collecting kit Dec. 28, 2010
7854029 Water drain assembly Dec. 21, 2010
7832027 Flexible sink strainer Nov. 16, 2010
7736499 Disposable sink drain strainer Jun. 15, 2010
7725960 Disposable drain filter Jun. 1, 2010
7517452 Filter assembly Apr. 14, 2009
7504024 Apparatus for draining at least one sink Mar. 17, 2009
7458108 Scented sink strainer/stopper Dec. 2, 2008
7442296 Disposable sink drain strainer Oct. 28, 2008
7013500 Strainer Mar. 21, 2006
6925964 Pet drain and capture device Aug. 9, 2005
6609257 Debridement and irrigation extremity basin Aug. 26, 2003
6494325 Toilet water-line filter Dec. 17, 2002
6346191 Filter device for aircraft Feb. 12, 2002
6303032 Portable multi-strainer Oct. 16, 2001
6263518 Drain strainer Jul. 24, 2001
6230337 Anti-vacuum drain cover May. 15, 2001
6209572 Device for repairing drains Apr. 3, 2001
6197321 Drain treatment product and method of use Mar. 6, 2001
6092244 Locking grate device for a floor sink Jul. 25, 2000
6088843 Drain strainer with sieve receptacle and bristle extension Jul. 18, 2000
5940898 Drain assembly Aug. 24, 1999
5830350 Pool skimmer basket Nov. 3, 1998
5535455 Sink strainer for garbage disposal unit Jul. 16, 1996
5418983 Decorative color changeable basket sink strainer May. 30, 1995
5372718 Filtering device Dec. 13, 1994
5372715 Siphonage floor drain and port protector Dec. 13, 1994
5354465 Large capacity filter system Oct. 11, 1994
5297299 Drain hair net Mar. 29, 1994
5265281 Stoppers for garbage disposal unit inlets Nov. 30, 1993
5069781 Combined floor sink and strainer Dec. 3, 1991
5028321 Method and apparatus for water circulation, cleaning, and filtration in a swimming pool Jul. 2, 1991
4999858 Floor drain pipe with improved straining structure Mar. 19, 1991
4706306 Sink strainer with bridged stem Nov. 17, 1987
D284024 Clamping strip for shower curtain May. 27, 1986
4574400 Dirt trap for flush basins Mar. 11, 1986
4463461 Discharge pit having a water trap Aug. 7, 1984
RE31561 Large capacity drainage receptacle Apr. 24, 1984
4321713 Large capacity drainage receptacle Mar. 30, 1982
4232407 Basket strainer and stopper assembly for sinks Nov. 11, 1980
4230346 Roof drain Oct. 28, 1980
4217667 Drain lint separator and strainer Aug. 19, 1980
4199827 Drain traps with strainer means Apr. 29, 1980











 
 
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