Portable oxygen system

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Description

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left end elevational view thereof; and,

FIG. 6 is a right end elevational view thereof.

The bottom of the article is substantially plain and unornamented.

Referenced Cited
U.S. Patent Documents
D325633 April 21, 1992 Mano et al.
2390236 December 1945 Boothey et al.
4502873 March 5, 1985 Mottram et al.
4826510 May 2, 1989 McCombs
Patent History
Patent number: D333349
Type: Grant
Filed: Aug 20, 1990
Date of Patent: Feb 16, 1993
Assignee: American Safety Flight Systems (Glendale, CA)
Inventor: Tomio Miya (Culver City, CA)
Primary Examiner: Stella Reid
Law Firm: Graham & James
Application Number: 7/570,287
Classifications
Current U.S. Class: Pulmonary (38) (D24/164)