Portable oxygen concentrator

Details Portable oxygen concentrator Portable oxygen concentrator

2006-09-12

2006-09-12

Zarfas, Louis S. (Department: 2914)

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Pulmonary

Design Patent

active

D0528212

CLAIM:
The ornamental design for a portable oxygen concentrator, as shown and described.

REFERENCES:
patent: D287051 (1986-12-01), Perkins et al.
patent: 4826510 (1989-05-01), McCombs
patent: D437056 (2001-01-01), Remes et al.
patent: D468017 (2002-12-01), McCombs
patent: D490155 (2004-05-01), Nakamura
patent: D513074 (2005-12-01), Nakamura et al.
patent: 2003/0005928 (2003-01-01), Appel et al.
patent: 2003/0167924 (2003-09-01), McCombs et al.

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