Loudspeaker

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Description

FIG. 1 is a front elevational view of a loudspeaker showing my new design, the rear and sides being identical;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a front elevational view of a second embodiment of the loudspeaker illustrated in FIG. 1, the rear and sides being identical and the top and bottom being identical to FIGS. 2 and 3 respectively.

Referenced Cited
U.S. Patent Documents
D217154 April 1970 Boldt et al.
D223255 April 1972 Boldt et al.
D247490 March 14, 1978 Everidge
D281316 November 12, 1985 Gary
D288560 March 3, 1987 Anderson
1213732 January 1917 Bossu
1777283 October 1930 Cosgrave
1960258 May 1934 Williams
2820525 January 1958 Fountain et al.
3153783 October 1964 Whitehead
4039044 August 2, 1977 Heil
4200170 April 29, 1980 Williams, Jr.
Foreign Patent Documents
733450 February 1943 DE2
459570 June 1913 FRX
Other references
  • Elektrotechnische Zeitschrift 8/8/34, vol. 32, p. 787.
Patent History
Patent number: D305660
Type: Grant
Filed: Jul 1, 1987
Date of Patent: Jan 23, 1990
Assignee: Whelen Technologies, Inc. (Chester, CT)
Inventor: Bruce W. Howze (Springfield, PA)
Primary Examiner: B. J. Bullock
Assistant Examiner: Theodore M. Shooman
Law Firm: Chilton, Alix & Van Kirk
Application Number: 7/69,032