Emergency breathing unit

- Submersible Systems, Inc.
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Description

FIG. 1 is a top and left side perspective view of an emergency breathing unit showing my new design;

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

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a rear elevational view thereof.

The undisclosed bottom of emergency breathing unit is flat and unornamented .

Referenced Cited
U.S. Patent Documents
D283742 May 6, 1986 Hall
D297468 August 30, 1988 Young
D297869 September 27, 1988 Bartos
D299790 February 14, 1989 Paul
D319898 September 10, 1991 Whitworth
3236236 February 1966 Hudson
4413622 November 8, 1983 Dustin
Patent History
Patent number: D326167
Type: Grant
Filed: Aug 19, 1991
Date of Patent: May 12, 1992
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: 7/747,096
Classifications
Current U.S. Class: D29/7; D 3/301