Housing for the demand regulator of a breathing apparatus

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Description

FIG. 1 is a left side elevation of a housing for the demand regular of a breathing apparatus, showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom elevation thereof; and

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D203640 February 1966 Shugarman
D234637 March 1975 Flynn
3101732 August 1963 Valle
3447535 June 1969 Deloire
3669109 June 1972 Cheffers et al.
Patent History
Patent number: D245121
Type: Grant
Filed: Aug 14, 1975
Date of Patent: Jul 19, 1977
Inventor: Raymond A. Christianson (Manhattan Beach, CA)
Primary Examiner: Bernard Ansher
Attorney: Howard A. Silbert
Application Number: 5/605,019
Classifications
Current U.S. Class: D83/1L
International Classification: D2902;