FIG. 1 is a top, front, and side perspective of the loudspeaker;

FIG. 2 is an enlarged side elevation of the loudspeaker, all sides being identical;

FIG. 3 is an enlarged bottom plan view of the loudspeaker;

FIG. 4 is a front elevation perspective of the alternative embodiment of FIG. 1, the alternative embodiment differing from the original embodiment only through the inclusion of the apertures; and,

FIG. 5 is an enlarged fragmentary sectional view in the direction of the arrows on line 5--5 of FIG. 4.

Referenced Cited
U.S. Patent Documents
D324604 March 17, 1992 Shimizu
D330029 October 6, 1992 Kawaguchi
3371742 March 1968 Norton et al.
3945461 March 23, 1976 Robinson
4336861 June 29, 1982 Peter
4580654 April 8, 1986 Hale
Other references
  • Stereo Review; Jan. 1988; p. 39; Sound Cylinder Speaker. High Fidelity; Jun. 1987; p. 16; OHM Speaker (lower left).
Patent History
Patent number: D360635
Type: Grant
Filed: Aug 6, 1993
Date of Patent: Jul 25, 1995
Assignee: Advance Design International, Inc. (Santa Ana, CA)
Inventor: Steven D. Mark (Lemon Heights, CA)
Primary Examiner: B. J. Bullock
Law Firm: Irell & Manella
Application Number: 0/11,527