USD273717SExpiredUtility

Compact medical oxygen concentrator

Assignee: GREENE & KELLOGGPriority: Aug 28, 1981Filed: Aug 28, 1981Granted: May 1, 1984
Est. expiryAug 28, 2001(expired)· nominal 20-yr term from priority
77
PatentIndex Score
14
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a compact medical oxygen concentrator, as shown and described.

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