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Class Information
Number: D10/120
Name: Measuring, testing, or signalling instruments > Security or signal instrument, or casing > Aural (16) > Air-operated (17) > Siren or horn
Description:










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
D615443 Horn loudspeaker for providing warning announcement signals, especially sirens, in emergency vehicles May. 11, 2010
D611864 Electropneumatic horn Mar. 16, 2010
D605966 Alarm sounder/beacon Dec. 15, 2009
D598315 Signal warning and displaying lamp Aug. 18, 2009
D590287 High frequency horn assembly Apr. 14, 2009
D581305 Electropneumatic horn Nov. 25, 2008
D568195 Horn design May. 6, 2008
D556077 Marine fog horn Nov. 27, 2007
D542686 Siren housing May. 15, 2007
D516448 Backup alarm Mar. 7, 2006
D514973 Reversing alarm Feb. 14, 2006
D514466 Backup alarm Feb. 7, 2006
D514010 Alarm housing Jan. 31, 2006
D513709 Reversing alarm Jan. 24, 2006
D513599 Reversing alarm Jan. 17, 2006
D513200 Backup alarm Dec. 27, 2005
D512336 Security siren Dec. 6, 2005
6756883 Extra loud low frequency acoustical alarm assembly Jun. 29, 2004
D488736 Hand held horn Apr. 20, 2004
D487030 Horn Feb. 24, 2004
D485201 Backup alarm design Jan. 13, 2004
6512450 Extra loud low frequency acoustical alarm assembly Jan. 28, 2003
D453306 Siren Feb. 5, 2002
D452454 Siren speaker Dec. 25, 2001
D445711 Combined siren and lighthead assembly for a vehicle bumper Jul. 31, 2001
D440175 Siren Apr. 10, 2001
D420614 Ultrasonic horn Feb. 15, 2000
D419905 Ultrasonic horn Feb. 1, 2000
D419906 Ultrasonic horn Feb. 1, 2000
D419099 Car horn Jan. 18, 2000
D416507 Ultrasonic horn Nov. 16, 1999
D415055 Electric boat horn Oct. 12, 1999
D406074 Electronic siren Feb. 23, 1999
D404674 Car horn Jan. 26, 1999
D397635 Siren speaker Sep. 1, 1998
D397636 Siren speaker Sep. 1, 1998
D391512 Emergency alarm Mar. 3, 1998
D383690 Security system housing and siren Sep. 16, 1997
D383408 Bicycle horn Sep. 9, 1997
D382221 Siren Aug. 12, 1997
D379815 Horn tweeter Jun. 10, 1997
D378993 Elliptical air horn bell Apr. 29, 1997
D378921 Horn tweeter Apr. 22, 1997
D375463 Superhorn Nov. 12, 1996
D367435 Combined electronic siren and handheld microphone Feb. 27, 1996
D361536 Bicycle horn Aug. 22, 1995
D347596 Audible security alarm Jun. 7, 1994
D345317 Siren Mar. 22, 1994
D341118 Combined vehicle hood and warning units Nov. 9, 1993
D332838 Combined speaker and auxiliary brake light for vehicles Jan. 26, 1993

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