Medical oxygen concentrator

- NGK SPARK PLUG CO., LTD.
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Description

FIG. 1 is a front perspective view of a first embodiment of a medical oxygen concentrator showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a front perspective view of a second embodiment of a medical oxygen concentrator showing our new design;

FIG. 10 is a rear perspective view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a front perspective view of a third embodiment of a medical oxygen concentrator showing our new design;

FIG. 18 is a rear perspective view thereof;

FIG. 19 is a front view thereof;

FIG. 20 is a rear view thereof;

FIG. 21 is a left side view thereof;

FIG. 22 is a right side view thereof;

FIG. 23 is a top view thereof; and,

FIG. 24 is a bottom view thereof.

The broken lines depict portions of the medical oxygen concentrator that form no part of the claimed design.

Claims

The ornamental design for a medical oxygen concentrator, as shown and described.

Referenced Cited
U.S. Patent Documents
D471278 March 4, 2003 Cheng
D471982 March 18, 2003 Cheng
7156903 January 2, 2007 McCombs
D550360 September 4, 2007 McCombs
D635681 April 5, 2011 Edwards
D693005 November 5, 2013 Nawata
8603228 December 10, 2013 Wilkinson
D740929 October 13, 2015 Pipe
D808017 January 16, 2018 Ito
D837968 January 8, 2019 Formica
20050161044 July 28, 2005 Yoshida
20070137487 June 21, 2007 Whitley
20130233168 September 12, 2013 Richey, II
Foreign Patent Documents
D1103567 March 2001 JP
D1200587 March 2004 JP
WO-2011087111 July 2011 WO
Other references
  • US Oxygen Sales. Link: https://www.usoxygensales.com/product/respironics-simplygo-portable-oxygen-concentrator/. Visited Feb. 6, 2019. Respironics SimplyGo Portable Oxygen Concentrator. (Year: 2019).
Patent History
Patent number: D861874
Type: Grant
Filed: May 15, 2018
Date of Patent: Oct 1, 2019
Assignee: NGK SPARK PLUG CO., LTD. (Nagoya-shi, Aichi)
Inventors: Taku Hirano (Komaki), Masanori Suda (Komaki), Keiko Nii (Nagoya), Keisuke Hatta (Nagoya)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Lauren D McVey
Application Number: 29/647,617
Classifications
Current U.S. Class: Pulmonary (38) (D24/164)