- Sparkomatic Corporation

FIG. 1 is a front and right side perspective view of a loudspeaker showing my new design;

FIG. 2 is a front and right side perspective view thereof with the covers removed;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

The rear of the loudspeaker is plane and unornamented.

Referenced Cited
U.S. Patent Documents
D216019 November 1969 Patch et al.
D241554 September 1976 Bertagni et al.
D249683 September 26, 1978 Rams
D265990 August 31, 1982 Hartwein et al.
Other references
  • Audio, Nov. 1986, p. 42, Top Left--Duntech Sovereign 2001.
Patent History
Patent number: D304586
Type: Grant
Filed: Nov 25, 1987
Date of Patent: Nov 14, 1989
Assignee: Sparkomatic Corporation (Milford, PA)
Inventors: Tommyca Freadman (Taipei), John F. Castagna (Milford, PA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Law Firm: Mason, Fenwick & Lawrence
Application Number: 7/125,443
Current U.S. Class: D14/114; Sound Projection On Vertical Axis (D14/213)