Combined portable breathing unit and holster therefor

- Submersible Systems, Inc.
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Description

FIG. 1 is a top, rear and left side perspective view of a portable breathing unit showing my new design;

FIG. 2 is a top, front and right side perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top, rear and left side perspective view of a combined portable breathing unit and holster therefor;

FIG. 7 is a top, front and right side perspective view of FIG. 6;

FIG. 8 is a left side elevational view of FIG. 6;

FIG. 9 is a top plan view of FIG. 6; and

FIG. 10 is a rear elevational view of FIG. 6.

Referenced Cited
U.S. Patent Documents
D245121 July 19, 1977 Christianson
D246671 December 13, 1977 Cerniway
D251622 April 17, 1979 Garrison et al.
D283742 May 6, 1986 Hall
2428425 October 1947 Levitt
2866456 December 1958 Lovy et al.
2877766 March 1959 Moore
2931057 April 1960 Vilarem
3045671 July 1962 Updegraff
3776227 December 1973 Pitesky et al.
3976063 August 24, 1976 Henneman et al.
3998226 December 21, 1976 Harris
4018507 April 19, 1977 Oetjen et al.
4274404 June 23, 1981 Molzan et al.
4409978 October 18, 1983 Bartos
4724833 February 16, 1988 Bartos
Patent History
Patent number: D321956
Type: Grant
Filed: Apr 25, 1989
Date of Patent: Nov 26, 1991
Assignee: Submersible Systems, Inc. (Huntington Beach, CA)
Inventor: Larry H. Williamson (Huntington Beach, CA)
Primary Examiner: Kay H. Chin
Law Firm: Knobbe, Martens, Olson & Bear
Application Number: 7/343,515
Classifications
Current U.S. Class: D29/7; D29/6