USD510438SExpiredUtility

Oxygen concentrator

60
Assignee: MATSUSHITA ELECTRIC INDUSTRIAL CO LTDPriority: Jan 13, 2004Filed: Mar 22, 2004Granted: Oct 4, 2005
Est. expiryJan 13, 2024(expired)· nominal 20-yr term from priority
Inventors:Osamu KondoTaro Iike
60
PatentIndex Score
11
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
We claim the ornamental design for an oxygen concentrator, as shown and described.

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