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Class Information
Number: 4/520
Name: Baths, closets, sinks, and spittoons > Hair washing machine or device or accessory > Shield or drain
Description: Subject matter wherein a device has a wash liquid-diverting surface to divert the hair-washing liquid away from the body or clothes onto the diverting surface so that the wash liquid can be collected and/or drained into a sink or conveyed into a sewage system.

Sub-classes under this class:

Class Number Class Name Patents
4/521 Supported by body 25
4/522 With post-type support 9

Patents under this class:

Patent Number Title Of Patent Date Issued
8528125 Basin device for use in washing the hair of a person sitting upright Sep. 10, 2013
8087595 Combination rinse pitcher and shower spout Jan. 3, 2012
8032957 Drainage tray for shampooing bowls Oct. 11, 2011
7171704 Automatic hair washing device Feb. 6, 2007
6931674 Portable shampoo apparatus Aug. 23, 2005
6728977 In-bed shampoo system May. 4, 2004
6415458 Shampooing device Jul. 9, 2002
6291051 Waterproof sheet for hair washing and automatic hair washer using such waterproof sheet Sep. 18, 2001
5996119 Barber's neck strip and method of using the same Dec. 7, 1999
5953768 Apparatus for use when washing hair Sep. 21, 1999
5685018 Disposable perm rinsing cap Nov. 11, 1997
5450636 Hair cleaning apparatus for invalids Sep. 19, 1995
5289597 Method and apparatus for hair treatment Mar. 1, 1994
5177820 Hairdressing head support Jan. 12, 1993
5012534 Automatic hair and scalp treatment machines May. 7, 1991
5010604 Automatic hair and scalp treatment apparatus for contacting the scalp behind the ears Apr. 30, 1991
4878257 Counter-mounted splash guard, and methods of constructing and utilizing same Nov. 7, 1989
4766620 Small child's hair washing device Aug. 30, 1988
4651361 Portable combination hair shampoo basin and drying hood Mar. 24, 1987
4649580 Sealed neck support for shampoo bowls Mar. 17, 1987
4587680 Hair washing basin or bowl for hairdressers May. 13, 1986
4419774 Disposable shampoo basin Dec. 13, 1983
4167048 Portable shampoo seat adapter with liquid run-off attachment Sep. 11, 1979
3973279 Sink shampoo unit Aug. 10, 1976
3965496 Portable baby bathing and shampooing tray Jun. 29, 1976

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