Patent
   D406074
Priority
May 13 1998
Filed
Jun 09 1998
Issued
Feb 23 1999
Expiry
Feb 23 2013
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for an electronic siren, as shown and described.

FIG. 1 is a perspective view of an electronic siren showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Hu, Hsin-Kai

Patent Priority Assignee Title
D430977, Aug 31 1999 Occasional chair
D440175, Dec 03 1999 Alertek Corporation Siren
D452454, May 24 2000 Whelen Engineering Company, Inc. Siren speaker
Patent Priority Assignee Title
D275843, Jan 22 1982 Primary Security Inc. Siren
D345317, Jul 06 1993 DEI HEADQUATERS, INC; DEI HEADQUARTERS, INC Siren
D382221, Jun 05 1996 PORTMAN SECURITY SYSTEM INTERNATIONAL CO , LTD Siren
D397636, Apr 02 1997 Portman Secutity System International Co., Ltd. Siren speaker
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 20 1994Midwest Dental Products CorporationDentsply Research & Development CorpASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0071520151 pdf
May 13 1998HU, HSIN-KAIAlertek CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0092460274 pdf
Jun 09 1998Alertek Corporation(assignment on the face of the patent)
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