Oxygen concentrator
Latest Matsushita Electric Industrial Co., Ltd. Patents:
- Cathode active material for a nonaqueous electrolyte secondary battery and manufacturing method thereof, and a nonaqueous electrolyte secondary battery that uses cathode active material
- Optimizing media player memory during rendering
- Navigating media content by groups
- Optimizing media player memory during rendering
- Information process apparatus and method, program, and record medium
Description
FIG. 1 is a top perspective view of an oxygen concentrator, showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a side view thereof, opposite that shown in FIG. 3;
FIG. 5 is a top thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a rear view thereof.
Claims
The ornamental design for an oxygen concentrator, as shown and described.
Referenced Cited
Patent History
Patent number: D490155
Type: Grant
Filed: Jun 4, 2003
Date of Patent: May 18, 2004
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka)
Inventor: Minoru Nakamura (Otsu)
Primary Examiner: Stella Reid
Attorney, Agent or Law Firm: Brinks Hofer Gilson & Lione
Application Number: 29/183,041
Type: Grant
Filed: Jun 4, 2003
Date of Patent: May 18, 2004
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka)
Inventor: Minoru Nakamura (Otsu)
Primary Examiner: Stella Reid
Attorney, Agent or Law Firm: Brinks Hofer Gilson & Lione
Application Number: 29/183,041
Classifications