- Pemcor, Inc.

FIG. 1 is a front view of the loudspeaker showing my new design;

FIG. 2 is an elevational view of a broad side thereof;

FIG. 3 is an elevational view of a narrow side thereof;

FIG. 4 is a cross-sectional view taken at the line 4--4 of FIG. 1, and

FIG. 5 is a rear view of the loudspeaker.

Referenced Cited
U.S. Patent Documents
D72428 April 1927 Hopkins
D186670 November 1959 Durbin
D197716 March 1964 Boldt et al.
Other references
  • J. C. Whitney and Co., Cat. No. 355B, .COPYRGT.1976, p. 32, Coaxial Amplifier System, Item No. 03-6448B. Stereo/Hi-Fi Directory, 1963, p. 121, Item Minneapolis Coax. Speaker, Item No. Model K-12-HFC, 12".
Patent History
Patent number: D253108
Type: Grant
Filed: Jun 13, 1977
Date of Patent: Oct 9, 1979
Assignee: Pemcor, Inc. (Westchester, IL)
Inventor: Donald S. Schroeder (Barrington, IL)
Primary Examiner: Bernard Ansher
Application Number: 5/806,006
Current U.S. Class: D14/30; Three Diaphragms (181/147); 179/1155PS
International Classification: D1401;