Pressure regulator control module for self-contained breathing apparatus

- Litton Systems, Inc.
Description

FIG. 1 is a front elevation of a pressure regulator control module for self-contained breathing apparatus showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left end view thereof;

FIG. 4 is a right end view thereof;

FIG. 5 is a rear elevation thereof; and

FIG. 6 is a bottom view thereof.

The broken lines in FIG. 2 are shown for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D130447 November 1941 Tammen
D136369 September 1943 Kuppersmith
D189089 October 1960 Whitener et al.
D190267 May 1961 Brush
D196410 September 1963 Wicks
D215052 August 1969 Evans
D243635 March 8, 1977 Miller
D271338 November 8, 1983 Dukowski
2854001 September 1958 Hunblet
2904035 September 1959 Andreasen
3202150 August 1965 Miller
4203434 May 20, 1980 Brooks
4328798 May 11, 1982 Isaacson
4392490 July 12, 1983 Mattingly
Foreign Patent Documents
216459 May 1924 GBX
Patent History
Patent number: D275616
Type: Grant
Filed: Mar 23, 1982
Date of Patent: Sep 18, 1984
Assignee: Litton Systems, Inc. (Frederica, DE)
Inventor: Robert E. Gray (Clearwater, FL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Attorney: Brian L. Ribando
Application Number: 6/361,010
Classifications
Current U.S. Class: D29/6; D23/21