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Class Information
Number: 4/248
Name: Baths, closets, sinks, and spittoons > Buffers and dashpots
Description: Means for preventing injury to parts of a closet by means of a buffer or dashpot applied to the relatively moving parts.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8668063 Damping shaft mechanism Mar. 11, 2014
8657086 Rotary damper mounting assembly and rotary damper apparatus Feb. 25, 2014
8479323 Spring-mounted vertically held toilet seat Jul. 9, 2013
8439172 Oil damper using a cam May. 14, 2013
8359677 Assembly for delayed lowering of a raised toilet seat Jan. 29, 2013
8266730 Hands-free toilet attachment Sep. 18, 2012
8214932 Automatic self-closing toilet seat assembly Jul. 10, 2012
7956297 Water resistant quick stop scale damper Jun. 7, 2011
7845027 Slow closure mechanism for toilet covers Dec. 7, 2010
7788741 Automatic toilet lid and seat Sep. 7, 2010
7644451 Pedal operated toilet seat lifter and return Jan. 12, 2010
7386895 Opening/closing device for toilet seat or toilet lid, and transmission unit for the device Jun. 17, 2008
7168106 Cam-actuated toilet seat lifting device Jan. 30, 2007
7150049 Automatic toilet seat closer Dec. 19, 2006
7134150 Foot-operated toilet seat Nov. 14, 2006
6934974 Force adjustable toilet seat lifting and lowering mechanism Aug. 30, 2005
6775854 Toilet cover opening/closing device Aug. 17, 2004
6687921 Toilet seat damper Feb. 10, 2004
6634033 Rotating damper Oct. 21, 2003
6550073 Articulation for a toilet seat Apr. 22, 2003
6523185 Self-lowering toilet seat Feb. 25, 2003
6393624 Damping device for a toilet seat and lid unit in western-style toilet May. 28, 2002
6389611 Hinge device for supporting seat and seat lid of toilet bowl openably and closably May. 21, 2002
6385782 Transportable and foldable toilet seat attachment device May. 14, 2002
6321394 Toilet seat closing system Nov. 27, 2001
6275999 Hinge device for supporting seat and seat lid of toilet bowl openably and closably Aug. 21, 2001
6182301 Apparatus and method for automatically pivoting a first member relative to a second member Feb. 6, 2001
6175968 Transportable and foldable toilet seat attachment device Jan. 23, 2001
6138289 Automatic toilet seat lowering device Oct. 31, 2000
6112335 Foot actuated, anti-slamming, toilet seat raising and lowering device Sep. 5, 2000
6067667 Semi-automatic closing device for seat lid of toilet bowl May. 30, 2000
6052869 Operating hinge for seat and seat lid of toilet bowl Apr. 25, 2000
6026520 Toilet cover assembly Feb. 22, 2000
6009568 Opening-closing device of western style toilet seat and seat cover Jan. 4, 2000
6000069 Compound torque hinge Dec. 14, 1999
5996132 Compound torque hinge Dec. 7, 1999
5991936 Opening and closing device of Western style toilet seat and seat cover Nov. 30, 1999
5974595 Toilet Nov. 2, 1999
5918322 Support structure for a toilet cover unit Jul. 6, 1999
5906010 Operating hinge for seat and seat lid of toilet bowl May. 25, 1999
5901383 Support structure for a toilet cover unit May. 11, 1999
5898953 Rising seat for seating including toilets May. 4, 1999
5878444 Toilet seat Mar. 9, 1999
5852831 Self-closing toilet seat and lid Dec. 29, 1998
5819327 Automatic toilet seat lowering apparatus Oct. 13, 1998
5724683 Hinge mechanism for supporting the seat or the seat lid of a toilet bowl Mar. 10, 1998
5689838 Lowering apparatus for toilet seat and toilet seat covers Nov. 25, 1997
5592700 Automatic toilet lid closer Jan. 14, 1997
5546612 Automatic domestic toilet seat lowering apparatus and disc brake assembly Aug. 20, 1996
5504947 Automatic toilet seat lowering apparatus Apr. 9, 1996

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