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Class Information
Number: 219/226
Name: Electric heating > Heating devices > Tool or instrument > Hair heaters > With heated casing
Description: Subject matter wherein the structure includes electrically heated casings which encompass strands of hair usually wound on winding forms or mandrels.

Patents under this class:

Patent Number Title Of Patent Date Issued
8309890 Portable pet warmer and associated method Nov. 13, 2012
8212186 Plug-in heater for hot curlers Jul. 3, 2012
7987238 Managing content remotely on a device Jul. 26, 2011
6861623 Extendable heated hair curler Mar. 1, 2005
6799160 Noise canceller Sep. 28, 2004
6187001 Apparatus and method for removing hair Feb. 13, 2001
6107604 Hair shaping apparatus Aug. 22, 2000
5808275 Hair shaping apparatus with electrically heated rollers Sep. 15, 1998
5494058 Hair curling iron Feb. 27, 1996
5220931 Hairdressing kit Jun. 22, 1993
4953574 Hair curler with a clamping member Sep. 4, 1990
4756320 Hair curling appliance with a heating element comprising a heating wire wound around an inner core Jul. 12, 1988
4709854 System for regulating temperature of hot water in wall-hung instantaneous mixed gas heating units Dec. 1, 1987
4623779 Electrically heated brush including a heat distribution barrel structure Nov. 18, 1986

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