USD411297SExpiredUtility

Oxygen mask

43
Individually held — no corporate assignee on recordPriority: Oct 15, 1997Filed: Oct 15, 1997Granted: Jun 22, 1999
Est. expiryOct 15, 2017(expired)· nominal 20-yr term from priority
Inventors:Richard L. RosielloRichard A. Black
43
PatentIndex Score
7
Cited by
4
References
1
Claims

Claims

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

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