Oxygen concentrator
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Description
FIG. 1 is a top perspective view of an oxygen concentrator of the present invention;
FIG. 2 is a top view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a first side view thereof; and,
FIG. 6 is a second side view thereof.
Any broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.
Claims
We claim the ornamental design for an oxygen concentrator, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
4378982 | April 5, 1983 | McCombs |
4545790 | October 8, 1985 | Miller et al. |
D284026 | May 27, 1986 | McCombs |
D284695 | July 15, 1986 | McCombs |
D329288 | September 8, 1992 | Miller et al. |
5578115 | November 26, 1996 | Cole |
D412577 | August 3, 1999 | Mickelson et al. |
6212904 | April 10, 2001 | Arkharov et al. |
D471982 | March 18, 2003 | Cheng |
D490155 | May 18, 2004 | Nakamura |
D907440 | September 1994 | JP |
D907443 | September 1994 | JP |
D1114758 | July 2001 | JP |
D1185492 | September 2003 | JP |
Patent History
Patent number: D510438
Type: Grant
Filed: Mar 22, 2004
Date of Patent: Oct 4, 2005
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka)
Inventors: Osamu Kondo (Ibaraki), Taro Iike (Kawanishi)
Primary Examiner: Ian Simmons
Assistant Examiner: Daniel Yu
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/201,852
Type: Grant
Filed: Mar 22, 2004
Date of Patent: Oct 4, 2005
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka)
Inventors: Osamu Kondo (Ibaraki), Taro Iike (Kawanishi)
Primary Examiner: Ian Simmons
Assistant Examiner: Daniel Yu
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/201,852
Classifications