Oxygen concentrator

- Greene & Kellogg, Inc.
Description

FIG. 1 is a right side perspective view of an oxygen concentrator showing my new design;

FIG. 2 is a left side perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a top plan view thereof.

The broken line showing of a cord and plug is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D238887 February 1976 O'Neal et al.
D246857 January 3, 1978 Meuli et al.
D261033 September 29, 1981 Armbruster
D261676 November 3, 1981 McCombs
D273717 May 1, 1984 McCombs
3964478 June 22, 1976 Kropfhammer
Other references
  • Synctron-Optical Maser Light Pump #3C-3930 Cabinet Advertisement.
Patent History
Patent number: D284695
Type: Grant
Filed: Nov 1, 1983
Date of Patent: Jul 15, 1986
Assignee: Greene & Kellogg, Inc. (Tonawanda, NY)
Inventor: Norman R. McCombs (Tonawanda, NY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Roylance, Abrams, Berdo & Goodman
Application Number: 6/547,496
Classifications
Current U.S. Class: D24/11