Plug-mounted background noise amplifier enclosure

Description

FIG. 1 is a top plan view of a plug-mounted, background noise amplifier enclosure showing our new design with part of the top wall broken away;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a left side elevational view; and

FIG. 6 is a right side elevational view.

Referenced Cited
U.S. Patent Documents
2902630 September 1959 Heazel et al.
3300687 January 1967 Hennessey
4129897 December 12, 1978 Telewski et al.
4148544 April 10, 1979 Markowitz
4386388 May 31, 1983 Beun
Patent History
Patent number: D280721
Type: Grant
Filed: Nov 19, 1982
Date of Patent: Sep 24, 1985
Inventors: William D. Quigley (Nutley, NJ), Philip H. Nelson (Spring Valley, NY)
Primary Examiner: Jane E. Corrigan
Attorney: Ralph R. Roberts
Application Number: 6/443,142
Classifications
Current U.S. Class: D14/96