Oxygen concentrator

Details Oxygen concentrator Oxygen concentrator

2005-12-20

2005-12-20

Simmons, Ian (Department: 2914)

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Pulmonary

Design Patent

active

D0513074

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

REFERENCES:
patent: D273717 (1984-05-01), McCombs
patent: 4545790 (1985-10-01), Miller et al.
patent: D284026 (1986-05-01), McCombs
patent: D284695 (1986-07-01), McCombs
patent: D287051 (1986-12-01), Perkins et al.
patent: D329288 (1992-09-01), Miller et al.
patent: D412577 (1999-08-01), Mickelson et al.
patent: 6212904 (2001-04-01), Arkharov et al.
patent: D471982 (2003-03-01), Cheng
patent: D907440 (1994-09-01), None
patent: D907443 (1994-09-01), None
patent: D1114758 (2001-07-01), None
patent: D1185492 (2003-09-01), None

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