Loud speaker system for emergency vehicles

- Whelen Technologies, Inc.
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Description

FIG. 1 is a front view of a loud speaker system for emergency vehicles showing my new design;

FIG. 2 is a side view thereof, the device having the identical appearance when viewed from the opposite side;

FIG. 3 is a top view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D182351 March 1958 Avedon
D212537 October 1968 Banks
D241553 September 1976 Renkus
D250711 January 2, 1979 Persson et al.
D334934 April 20, 1993 Hsieh
1853955 April 1932 Blattner
2145318 January 1939 Schenk et al.
2869669 January 1959 Leslie
4178473 December 11, 1979 Vermeren
4635039 January 6, 1987 Gosswiller
4718372 January 12, 1988 Wheeler
Other references
  • JC Whitney & Co. catalog, p. 25 "Mobile PA System", top.
Patent History
Patent number: D346601
Type: Grant
Filed: Mar 16, 1992
Date of Patent: May 3, 1994
Assignee: Whelen Technologies, Inc. (Chester, CT)
Inventor: Harold W. Lyons (Killingworth, CT)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Law Firm: Chilton, Alix & Van Kirk
Application Number: 7/852,093
Classifications
Current U.S. Class: Speaker Or Housing Therefor (10) (D14/204)