Patent
   D345116
Priority
Feb 01 1993
Filed
Feb 01 1993
Issued
Mar 15 1994
Expiry
Mar 15 2008
Assg.orig
Entity
unknown
5
8
n/a
The ornamental design for an emergency vehicle proximity warning signal, as shown and described.

FIG. 1 is a perspective view of an emergency vehicle proximity warning signal showing my new design, with the wire broken in the center to indicate indeterminate length;

FIG. 2 is a front elevational view thereof, with the wire and signal pick-up element shown in an alternate position;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

Cardinalli, Julia A.

Patent Priority Assignee Title
D374831, Jul 24 1995 Combined control panel, display unit and antenna for an emergency vehicle sensor system
D417163, Jul 16 1998 Telephone usage monitor
D430054, Mar 06 2000 Emergency siren receiver for controlling traffic lights
D431484, Dec 31 1998 Emergency siren receiver for controlling traffic lights
D493740, May 14 2003 Motion detector with audible alarm and remote control therefor
Patent Priority Assignee Title
3233217,
3735342,
3760349,
3854119,
3997868, Feb 20 1973 Emergency vehicle warning system
4238778, Nov 21 1975 System for warning the approach of an emergency vehicle
4794394, Sep 08 1987 Emergency vehicle proximity warning system
4952931, Jan 27 1987 Signal adaptive processor
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