Compact oxygen concentrator

- Greene & Kellogg, Inc.
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Description

FIG. 1 is a three-quarter elevational or perspective view taken from the front of a compact oxygen concentrator embodying my new design;

FIG. 2 is a view thereof similar to FIG. 1 taken from the rear.

FIG. 3 is a side elevational view thereof, the opposite side being identical but reversed left to right;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevation view thereof.

Referenced Cited
U.S. Patent Documents
D195390 June 1963 Tyler
D208078 July 1967 Hegemann
D222956 February 1972 Sato
D226145 January 1973 Sato
3804942 April 1974 Kato et al.
3950155 April 13, 1976 Komiyama
3976050 August 24, 1976 Glasser et al.
Patent History
Patent number: D261676
Type: Grant
Filed: May 14, 1979
Date of Patent: Nov 3, 1981
Assignee: Greene & Kellogg, Inc. (Tonawanda, NY)
Inventor: Norman R. McCombs (Tonawanda, NY)
Primary Examiner: T. Tung
Attorneys: W. Kovensky, W. W. McDowell
Application Number: 6/38,956
Classifications
Current U.S. Class: D24/8
International Classification: D2402;