USD284026SExpiredUtility

Oxygen concentrator

84
Assignee: GREENE & KELLOGGPriority: Jun 7, 1985Filed: Jun 7, 1985Granted: May 27, 1986
Est. expiryJun 7, 2005(expired)· nominal 20-yr term from priority
Inventors:Norman R. Mccombs
84
PatentIndex Score
22
Cited by
6
References
1
Claims

Claims

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

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