Portable oxygen system

Description

FIG. 1 is a front perspective view of a portable oxygen system showing my new design;

FIG. 2 is a right end elevational view thereof;

FIG. 3 is a left end elevational view thereof;

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

FIG. 5 is a front elevational view thereof.

The bottom and rear of the article are substantially plain and unornamented .

Referenced Cited
U.S. Patent Documents
D325633 April 21, 1992 Mano et al.
2390236 December 1945 Boothby et al.
4502873 March 5, 1985 Mottram et al.
4826510 May 2, 1989 McCombs
Patent History
Patent number: D332662
Type: Grant
Filed: Aug 20, 1990
Date of Patent: Jan 19, 1993
Assignee: American Safety Flight Systems, Inc. (Glendale, CA)
Inventor: Tomio Miya (Culver City, CA)
Primary Examiner: Stella Reid
Law Firm: Graham & James
Application Number: 7/570,290
Classifications
Current U.S. Class: Pulmonary (38) (D24/164)